Magne Jørgensen
ProfessorChief Research Scientist/Research ProfessorHead of Department
- Department
- IT Management (M)
- Organisation
- Simula Metropolitan
- Research Interests
- Project management Human judgment Digitalization in the public sector Software cost estimation Benefits management

- magnej@simula.no
Publications
2023
Journal Articles
J. S. Molléri, C. Lassenius and M. Jørgensen
Backsourcing of IT with focus on software development—A systematic literature review
Journal of Systems and Software
T. Dingsøyr, M. Jørgensen, F. Carlsen, L. Carlström, J. Engelsrud, K. Hansvold, M. Heibø, R. K and K. O. Sørensen
Enabling Autonomous Teams and Continuous Deployment at Scale
IEEE IT Professional
M. Jørgensen
Improved Measurement of Software Development Effort Estimation Bias
Information and software technology
M. Jørgensen
Characteristics and generative mechanisms of software development productivity distributions
Information and Software Technology
Proceedings, refereed
M. Jørgensen
What can we learn from surveys on the importance of software development productivity factors?
CiBSE
2022
Journal Articles
K. Holgeid, M. Jørgensen, G. H. Volden and H. Berg
Realizing benefits in public IT projects: A multiple case study
IET Software
T. Halkjelsvik and M. Jørgensen
When 2 + 2 should be 5: The summation fallacy in time prediction
Journal of Behavioral Decision Making
M. Jørgensen, T. Halkjelsvik and K. Liestøl
When should we (not) use the mean magnitude of relative error (MMRE) as an error measure in software development effort estimation?
Information and Software Technology
M. Jørgensen and E. Escott
Relative estimates of software development effort: Are they more accurate or less time-consuming to produce than absolute estimates, and to what extent are they person-independent?
Information and Software Technology
T. Dingsøyr, M. Jørgensen, F. O. Carlsen, L. Carlström, J. Engelsrud, K. Hansvold, M. Heibø-Bagheri, K. Røe and K. O. V. Sørensen
Enabling Autonomous Teams and Continuous Deployment at Scale
IT Professional
Talks, contributed
M. Jørgensen and E. Escott
Relative estimates of software development effort: Are they more accurate or less time-consuming to produce than absolute estimates, and to what extent are they person-independent?
ESEM 2022, Helsinki, Finland (Journal first publication)
Proceedings, refereed
M. Jørgensen
Measurement of software development effort estimation bias: Avoiding biased measures of estimation bias
11th International Conference on Software Engineering and Applications (SEA 2022)
Talks, keynote
M. Jørgensen
XP 2022: It’s all about the benefits: How to successfully implement benefits management in agile software development
XP 2022, Copenhagen, Denmark
Talks, invited
M. Jørgensen
Digitaliseringen av offentlig sektor i et fremtidsperspektiv
Statsministerens kontor (SMK), Oslo, Norway
M. Jørgensen and H. Berg
How to Succeed with Digitalization? A Study of Benefit Management in Public IT Projects
CONCEPT seminar, Oslo, Norway
M. Jørgensen
How Norwegian companies successfully combines benefits management and agile software development processes
SENOBR Industry day, Trondheim, Norway
M. Jørgensen
Digitalisering av offentlig sektor: Utvalgte utviklingstrekk og trender
Brukerrådet, Oslo, Norway
M. Jørgensen
Smidig utvikling og nyttestyring – som hånd i hanske?
NAV-fagdag, Oslo, Norway
M. Jørgensen
Understanding our own role in scientific predictions: (Over-)confidence
Seminar for FluidFlower (UiB), Bergen, Norway
2021
Journal Articles
G. H. Volden, M. Jørgensen, K. Holgeid and H. Berg
Jakten på nytte i offentlige IT-prosjekter
Stat & Styring
K. Holgeid, M. Jørgensen, D. I. K. Sjøberg and J. Krogstie
Benefits management in software development: A systematic review of empirical studies
IET Software
M. Jørgensen and J. Grov
A field experiment on trialsourcing and the effect of contract types on outsourced software development
Information and Software Technology
M. Jørgensen, M. Welde and T. Halkjelsvik
Evaluation of Probabilistic Project Cost Estimates
IEEE Transactions on Engineering Management
Miscellaneous
H. Berg, K. Holgeid, M. Jørgensen and G. H. Volden
Hvordan lykkes med digitalisering? En undersøkelse av nyttestyring i IT-prosjekter i offentlig sektor (Concept-rapport nr. 64)
Proceedings, refereed
M. Jørgensen
Team resource management decisions in software development projects
IEEE 23rd Conference on Business Informatics (CBI)
M. Jørgensen, G. Bergersen and K. Liestøl
Relations Between Effort Estimates, Skill Indicators, and Measured Programming Skill (A Journal first conference publication)
CM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering (ESEC/FSE)
M. Jørgensen, G. Bergersen and K. Liestøl
Relations Between Effort Estimates, Skill Indicators, and Measured Programming Skill
ESEC/FSE
Talks, keynote
M. Jørgensen
The 8th International Conference on Electrical Engineering and Informatics
ICEEI2021 - The 8th International Conference on Electrical Engineering and Informatics, Malaysia (virtual conference)
2020
Journal Articles
P. Filkukova and M. Jørgensen
How to pose for a professional photo: The effect of three facial expressions on perception of competence of a software developer
Australian Journal of Psychology
M. Jørgensen and T. Halkjelsvik
Sequence effects in the estimation of software development effort
Journal of Systems and Software
M. Jørgensen, G. Bergersen and K. Liestøl
Relations Between Effort Estimates, Skill Indicators, and Measured Programming Skill
Transactions on Software Engineering
K. Holgeid and M. Jørgensen
Practices connected to perceived client benefits of software projects
IET Software
Proceedings, refereed
K. Holgeid and M. Jørgensen
Benefits management and agile practices in software projects: how perceived benefits are impacted
IEEE 22nd Conference on Business Informatics (CBI)
2019
Proceedings, non-refereed
M. Jørgensen
Predicting software development skill from effort predictions (Un)skilled and unware of it?
International symposium on forecasting (ISF)
Journal Articles
M. Jørgensen
Evaluating Probabilistic Software Development Effort Estimates Maximizing Informativeness Subject to Calibration
Information and Software Technology
M. Jørgensen
Relations between Project Size, Agile Practices and Successful Software Development
IEEE Software
Public outreach
M. Jørgensen
Smidig og stor - en selvmotsigelse innen IT-utvikling?
M. Jørgensen
Forstyrrelser, avbrudd og produktivitet
M. Jørgensen
Usannsynlige sannsynligheter
M. Jørgensen
Sannsynlighetsvurderinger av kostnader
M. Jørgensen
I praksis riktig, men i teorien feil: Kostnadsbesparelser i team
Talks, keynote
M. Jørgensen
From myths and fashions to evidence-based software engineering
Seminar on effective software development, Kathmandu, Nepal
M. Jørgensen
What can - and should - software engineering learn from psychology?(with a focus on research method)
ICSIE, Cairo, Egypt
Talks, invited
M. Jørgensen
Agile software development and benefits management: A perfect match?
Seminar on effective software development, Kathmandu, Nepal
M. Jørgensen
Hva kjennetegner IT -utvikling som lykkes?
Seminar for Helsedirektoratet, Hønefoss, Norway
M. Jørgensen
Conducting realistic, controlled experiments in software engineering
Seminar for PhD-students at University of Manaus, Brazil
M. Jørgensen
What makes software development projects successful, and what makes them fail? (and how to find out)
Presentation at Simula Summer School, Berlin, Germany
M. Jørgensen
Hva kjennetegner IT-utvikling som lykkes?
Presentasjon for Skatteetaten (intern workshop), Norway
M. Jørgensen
Estimering av IT-utvikling
Seminar, Knowit, Norway
Technical reports
M. Welde, M. Jørgensen, P. F. Larssen and T. Halkjelsvik
Estimering av kostnader i store statlige prosjekter: Hvor gode er estimatene og usikkerhetsanalysene i KS2-rapportene?
Concept-rapport nr. 59
2018
Books
T. Halkjelsvik and M. Jørgensen
Time predictions: Understanding and avoiding unrealism in project planning and everyday life
Simula SpringerBriefs on Computing
Journal Articles
A. Vetró, R. Dürre, M. Conoscenti, D. M. Fernandez and M. Jørgensen
Combining Data Analytics with Team Feedback to Improve the Estimation Process in Agile Software Development
Foundations of Computing and Decision Sciences
Proceedings, refereed
M. Jørgensen
Scope Creep or Embrace Change? A Survey of the Connections Between Requirement Changes, Use of Agile, and Software Project Success
12th International Conference on Project Management (ProMac)
M. Jørgensen
Looking back on previous estimation error as a method to improve the uncertainty assessment of benefits and costs of software development projects
The 9th International Workshop on Empirical Software Engineering in Practice (IWESEP2018)
M. Jørgensen
Do Agile Methods Work for Large Software Projects?
19th International Conference on Agile Software Development (XP 2018)
M. Shepperd, C. Mair and M. Jørgensen
An Experimental Evaluation of a De-biasing Intervention for Professional Software Developers
SAC 2018: Symposium on Applied Computing
Public outreach
M. Jørgensen
Digitalisering = produktivitetsvekst?
Computerworld (Norge)
M. Jørgensen
Sannheten om uærlighet
Computerworld (Norge)
M. Jørgensen
Hvordan velge å velge - og litt om duer
Computerworld (Norge)
M. Jørgensen
De som vet lite vet også lite om hvor lite de vet
Computerworld (Norge)
M. Jørgensen
Alltid smidig når du går! Men hva med oppstartsfasen og forretningssiden?
Computerworld (Norge)
Talks, keynote
M. Jørgensen
Milliardinvesteringer i digitalisering. Hva gir det oss?
Software 2018, DnD, Norway
M. Jørgensen
When is agile better? How the use of agile and autonomous teams affect success differently in different contexts (and other results)
A-teams (First International Workshop on Autonomous Agile Teams), XP-workshop, Porto, Portugal
M. Jørgensen
What can - and should - empirical software engineering learn from empirical studies in psychology?
12th International Symposium on Empirical Software Engineering and Measurement, Oulu, Finland
M. Jørgensen
What makes software projects successful?
ICSSE, Prague, Czech Republic
M. Jørgensen
From myths and fashions to evidence-based software engineering
ICSIE, Cairo, Egypt
Talks, invited
M. Jørgensen
Cost and benefits of software development in a uncertain, skewed world
Software Analytics and its Impact on Industry Delft Data Science Seminar, Delft, The Netherlands
M. Jørgensen
Hvordan få tak i reell usikkerhet av kost-nytte i en skjev verden?
Prosjekt Norges årlige prosjektlederkonferanse, Norway
M. Jørgensen
Agile software development and benefits management: A perfect match
PMI/Prosjekt Norge Workshop, Oslo, Norway
M. Jørgensen
What makes software projects successful?
Workshop with Government of Bangladesh Delegation (ECNEC), Oslo, Norway
M. Jørgensen
Usikkerhetsanalyse
HIT-seminar, Oslo, Norway
M. Jørgensen
Alltid smidig når du går?
Smidig-konferansen: Smidig i offentlig sektor, Oslo, Norway
M. Jørgensen
Hva kjennetegner IT-prosjekter som lykkes?
Seminar Forsvaret, Kolsås, Norway
2017
Journal Articles
M. Jørgensen, P. Mohagheghi and S. Grimstad
Direct and indirect connections between type of contract and software project outcome
International Journal of Project Management
M. Mäntylä, M. Jørgensen, P. Ralph and H. Erdogmus
Guest editorial for special section on success and failure in software engineering
Empirical Software Engineering
P. Mohagheghi and M. Jørgensen
What Contributes to the Success of IT Projects? An Empirical Study of IT Projects in the Norwegian Public Sector
Journal of Software
Posters
P. Mohagheghi and M. Jørgensen
What contributes to the success of IT projects?: success factors, challenges and lessons learned from an empirical study of software projects in the Norwegian public sector
ICSE
P. Filkukova and M. Jørgensen
What it actually is a working hour?
Proceedings, refereed
M. Jørgensen
Software development contracts: The impact of the provider’s risk of financial loss on project success
ICSE-workshop: CHASE
M. Jørgensen
Connections between Contract Type, Project Size, Benefits Management, Agile Practices and Success of Software Development Projects
FITAT 2017
M. Jørgensen
Working with Industry
5th IEEE/ACM International Workshop on Conducting Empirical Studies in Industry, CESI@ICSE 2017
Public outreach
M. Jørgensen
Kravendringer i IT-prosjekter: trussel eller mulighet?
M. Jørgensen
Evidensbasert praksis og misvisende nyheter
M. Jørgensen
Husk å glemme
M. Jørgensen
Når regnereglene du lærte på skolen gir feil svar
M. Jørgensen
Frederick Winslow Taylor: Prosessforbedring industrien
M. Jørgensen
Femti, feit og ferdig, eller stadig mer produktiv?
Talks, keynote
M. Jørgensen
What makes software projects successful?
ICSIE, Singapore
M. Jørgensen
Working with industry to conduct empirical software engineering research: Patterns of successful and failed collaborations
ICSE-workshop: CESI, Buenos Aires, Argentina
Talks, invited
M. Jørgensen
How to succeed and avoid failing with software projects
Seminar "International Trends in Software Development", Kathmandu, Nepal
M. Jørgensen
Usikkerhetsanalyse med avhengigheter i en høyreskjev verden
HIT-seminar, Oslo, Norway
M. Jørgensen
Nyttestyring og viktigheten av den gode kunde
Prosjekt 2017 (Prosjekt Norges årlige prosjektlederkonferanse), Oslo, Norway
M. Jørgensen
Hva kjennetegner IT-prosjekter som lykkes? (Resultater fra SMIOS-prosjektet)
Eleven presentations: 1) Oslo Kommune (Oslo), 2) Skatteetaten (T ønsberg), 3) SINTEF (Trondheim), 4) SPK (Oslo), 5) Sparebank 1 (Oslo), 6) Miles (Oslo), 7) Posten (Oslo), 8) Vinmonopolet (Oslo), 9) FHI (Oslo), 10) Knowit (Oslo), 11) Eika IT (Oslo) , Norway
M. Jørgensen
Evaluering av digitalisering i offentlig sektor. Hvor gode er vi? Evaluerer vi det som er viktig?
Evalueringskonferansen, Oslo, Norway
M. Jørgensen
Empirical methods and evidence-based decisions in software engineering
Seminar at Innsbruck University, Austria
2016
Journal Articles
M. Jørgensen, T. Dybå, K. Liestøl and D. I. K. Sjøberg
Incorrect Results in Software Engineering Experiments: How to Improve Research Practices
Journal of Systems and Software
M. Jørgensen
Better Selection of Software Providers Through Trialsourcing
IEEE Software
E. Løhre and M. Jørgensen
Numerical anchors and their strong effects on software development effort estimates
Journal of Systems and Software
M. Jørgensen and A. Yamashita
Cultural characteristics and their connection to increased risk of software project failure
Journal of Software
M. Jørgensen
Unit effects in software project effort estimation: Work-hours gives lower effort estimates than workdays
Journal of Systems and Software
M. Jørgensen
A Survey on the Characteristics of Projects with Success in Delivering Client Benefits
Information and Software Technology
Proceedings, refereed
M. Jørgensen
The Use of Precision of Software Development Effort Estimates to Communicate Uncertainty
Software Quality Days. The Future of Systems-and Software Development
Public outreach
M. Jørgensen
Enkelt er bra, uforståelig er bedre?
Article in Computerworld Norway
M. Jørgensen
Klarer vi å kontrollere kunstig superintelligens?
Computerworld
M. Jørgensen
Suksess som indikator for fremtidige skuffelser
M. Jørgensen
Kulturelle egenskaper og offshoring av IT-utvikling
M. Jørgensen
Kunde eller leverandørstyrt bemanning av IT-prosjekter
Talks, keynote
M. Jørgensen
Fixed Price without Fixed Specifications
Gøteborg
M. Jørgensen
Hva skiller IT-prosjekter som lykkes fra de som mislykkes? Hva vil det si å lykkes?
Computas brukerforum
M. Jørgensen
Judgment and decision-making in software engineering: How rational are we?
Tokyo, Japan
M. Jørgensen
Successful IT projects: The role of the contract
Zürich
Talks, invited
M. Jørgensen
Hva skiller IT-prosjekter som lykkes fra de som mislykkes? Hva vil det si å lykkes?
Seminar at Fornebu Consulting
M. Jørgensen
Suksess med offentlige IT-prosjekter. Hva er det og hvordan får vi det til?
Trondheim
M. Jørgensen, P. Mohagheghi and S. Grimstad
Hva kjennetegner IT-prosjekter som lykkes (Resultater fra SMIOS-prosjektet)
Oslo
M. Jørgensen
Hva kjennetegner IT-prosjekter som lykkes
Oslo
M. Jørgensen
Evidence-based software engineering: A framework for collaboration between researchers and software professionals
Amsterdam
M. Jørgensen
Vurderinger og beslutninger. Hvor rasjonelle er vi?
DND's Software Conference
M. Jørgensen
How to identify risky IT projects and avoid them turning into black swans
Ernst & Young: Nordic Advisory Learning Weekend, Riga
M. Jørgensen
Estimering av IT-utvikling
KnowIT, Estimation seminar, Oslo
2015
Talks, contributed
M. Jørgensen
Are most published research findings in empirical software engineering wrong or with exaggerated effect sizes? How to improve?
ISERN-meeting, Beijing, China
Proceedings, refereed
M. Jørgensen and E. Papatheocharous
Believing is Seeing: Confirmation Bias Studies in Software Engineering
41st Euromicro Conference on Software Engineering and Advanced Applications (SEAA), Madeira
M. Jørgensen
The Effect of the Time Unit on Software Development Effort Estimates
9th International Conference on Software, Knowledge, Information Management & Applications (SKIMA), Kathmandu, Nepal
Public outreach
M. Jørgensen
Med høy presisjon
Article in Computerworld Norge
M. Jørgensen
Tallverdieffekten: Vi rekker mer på tolv måneder enn ett år
Article in Computerworld Norge
M. Jørgensen
Verden er stort sett ikke normal, men høyreskjev
Article in Computerworld Norge
M. Jørgensen
Sitte i celle eller i åpent kontorlandskap?
Article in Computerworld Norge
M. Jørgensen
Er tiden for de store IT-anskaffelsene nå over?
Article in Computerworld Norge
M. Jørgensen
Trenger vi mer lokal eksperimentering?
Article in Computerworld Norway
M. Jørgensen
Vellykkede IT-prosjekter krever gode kunder
Article in Computerworld Norway
Talks, keynote
M. Jørgensen
Hva vet vi om IT-bransjens evne til å levere nyttige løsninger med god kvalitet?
Keynote at Computerworld Norges Round Table seminar
M. Jørgensen
The use and misuse of statistics in studies on software development. Things you should know about statistics that you didn't learn in school
Keynote at ICSIE, Dubai, UAE
Talks, invited
M. Jørgensen
Ingen flere store offentlige IT-prosjekter?
Presentation at Difi seminar
M. Jørgensen
Suksess og fiasko i offentlige IKT-prosjekter
Presentation at a seminar organized by the Ministry of Local Government and Modernisation
M. Jørgensen
Hvilken betydning har kontrakten for suksess i IT-prosjekter?
Presentation at a DnD seminar
M. Jørgensen
Å (mis)lykkes med IT-prosjekter
Presentation at an IKT Norge-seminar
M. Jørgensen
Empirical Methods and Evidence-Based Decisions in Software Engineering
Oulu, Finland
M. Jørgensen
From myths and fashions to evidence-based software engineering
Stockholm, SICS seminar
M. Jørgensen
Hva skal til for å lykkes i IT-prosjekter? Hvor mye og hvordan kan man lære av andres suksesser og fiaskoer?
DnD's Software Conference, Oslo
M. Jørgensen and S. Grimstad
Software development effort estimation: How to improve it
Deerwalk seminar, Kathmandu, Nepal
M. Jørgensen
The world is skewed
CREST-seminar, London
M. Jørgensen
Den gode kunde: Kompetanse, involvering og kultur
HIT-seminar, Oslo
M. Jørgensen
Hvilke IT-prosjekter lykkes best
Trondheim, NOKIOS
M. Jørgensen
Hva skal til for å lykes i IT-prosjekter? Hvor mye og hvordan kan man lære av andres suksesser og fiaskoer?
Høgskolen i Hamar
M. Jørgensen
Estimering av IT-prosjekter: Hvordan bli bedre til å treffe med estimater, planer og budsjetter
Politiet, Oslo
M. Jørgensen
From fashion-based to evidence-based software engineering
Teleplan, Oslo & Wroclaw, Poland
M. Jørgensen
Offshoring av IT-utvikling: Hva er viktig for å lykkes
Digin-seminar, Kristiansand
2014
Journal Articles
M. Jørgensen
What We Do and Don't Know About Software Development Effort Estimation
IEEE Software
M. Jørgensen
Failure Factors of Small Software Projects at a Global Outsourcing Marketplace
Journal of Systems and Software
Posters
P. Filkukova and M. Jørgensen
The Effect of Facial Expression on Evaluation of Competence: Keep Smiling!
Poster at: 17th General Meeting of the European Association of Social Psychology, The Netherlands, Amsterdam
Proceedings, refereed
M. Jørgensen
Communication of Software Cost Estimates
Proceedings of the 18th International Conference on Evaluation and Assessment in Software Engineering
M. Jørgensen
The Ignorance of Confidence Levels in Minimum-Maximum Software Development Effort Intervals
ICSIE, Dubai
M. Jørgensen
Fallacies and Biases When Adding Effort Estimates
Proceedings at Euromicro/SEEA
Public outreach
M. Jørgensen
Offshoring av IT-utvikling: Hva er viktig for å lykkes?
M. Jørgensen
Prosjektstyring: Ikke mye nytt siden pyramidene
M. Jørgensen
Praedico ergo sum
M. Jørgensen
Hvor ofte og når lykkes IT-prosjekter?
M. Jørgensen
Visdommen til små grupper
M. Jørgensen
Når vi har bestemt oss, ser mye annerledes ut
M. Jørgensen
Lønner det seg med mer utdannelse?
M. Jørgensen
Hvordan gjøre statistikk mer overbevisende?
M. Jørgensen
Hva er et kostnadsestimat?
M. Jørgensen
Kommunikasjon av kostnadsestimater
Talks, keynote
M. Jørgensen
From Myths and Fashions to Evidence-Based Software Engineering
Keynote at: Lindholmen Software Day, Gothenburg, Sweeden
M. Jørgensen
Ten Years With Evidence-Based Software Engineering. What Is It? Has It Had Any Impact? What's Next?
Keynote on 22nd ACM SIGSOFT International Symposium on Foundations of Software Engineering
M. Jørgensen
Things You Were Never Told, Did Not Understand, Forgot, Or Chose to Ignore in Statistics
Keynote at 1st Conference on Advanced Probability and Statistics in Information Systems (APSIS)
M. Jørgensen
Skumle IT-Prosjekter Og Sorte Svaner
Keynote at CIO Forum on Project Management
M. Jørgensen
Myths, Over-Simplifications and Unconfirmed Claims in Software Engineering
Keynote at: EUROMICRO DSD/SEAA, Verona, Italy
Talks, invited
M. Jørgensen
From Myths, Fashion, Over-Simplifications and Non-Validated Claims to Evidence-Based Software Engineering
Distinguished Lecturers Series Leon the Mathematician, University of Thessaloniki
M. Jørgensen
Hvordan Unngå Skuffelser i IT-Prosjekter og Ellers i Livet
Miles seminar
M. Jørgensen and S. Grimstad
Den Gode Kunden - Viktigere Enn Du Kanskje Tror
Difi-seminar + NSB seminar
M. Jørgensen
Erfaringer fra it-prosjekter. Fokus på kompetanse og kvalitet, som basis for å levere et forventet resultat
Invited talk: Computerworld Round Table
M. Jørgensen and S. Grimstad
Hvordan anslå usikkerhet til estimater
Presentation at JavaZone (repeated for NTNU-students as JavaZone Academy presentation)
M. Jørgensen
Fra myter og moter til evidensbasert IT-utvikling
Presentation at TEKNA-seminar
M. Jørgensen
Estimering av IT-prosjekter: Hvordan bli bedre til å treffe med estimater, planer, budsjetter og pris?
Presentation at Teleplan-seminar
M. Jørgensen
Usikkerhetsestimering av IT-prosjekter
Presentation at seminar for Kongsberg FMC Subsea
M. Jørgensen
Estimering av IT-prosjekter: Hva vet vi virker?
Presentation at Thales seminar
M. Jørgensen
Ten years with Evidence-Based Software Engineering. What is it? Has it had any impact? What’s next?
Hong Kong
2013
Journal Articles
M. Jørgensen
Relative Estimation of Software Development Effort: It Matters With What and How You Compare
IEEE Software
M. Jørgensen
The Influence of Selection Bias on Effort Overruns in Software Development Projects
Information and Software Technology
Posters
C. Mair, M. Shepperd and M. Jørgensen
Cognitive Bias Remains After De-Biasing Information
Proceedings, refereed
M. Jørgensen
A Strong Focus on Low Price When Selecting Software Providers Increases the Likelihood of Failure in Software Outsourcing Projects
7th International Conference on Evaluation and Assessment in Software Engineering
Public outreach
M. Jørgensen
Det økonomisk Mest Fordelaktige Tilbudet
M. Jørgensen
Lederkompetanse Evaluert På 100 Millisekunder
M. Jørgensen
Problemer Med Offshoring Av IT. Kultur- Eller Kvalitetsproblemer?
M. Jørgensen
Ustrukturerte Ansettelsesintervjuer
M. Jørgensen
Presten Bayes, Kravspesifikasjoner Og Skandalejournalisme
M. Jørgensen
Er ”kopier Og Lim”-Programmering Skadelig?
M. Jørgensen
Oppsiktsvekkende Resultater
Talks, keynote
M. Jørgensen
Judgement and Decision-Making in Software Engineering
Keynote at: QSIC, Nanjing, china
M. Jørgensen
Finding Results Where There Are None
Keynote at: IWSM-Mensura, Ankara, Turkey
Talks, invited
M. Jørgensen
Estimering Av IT-Prosjekter: Hvorfor Bommer Vi Og Hvordan Kan Vi Bli Bedre?
Presentation at five company internal seminars (KnowIT, Bouvet, Mesan, Politiet, Storebrand)
M. Jørgensen
Hvorfor (ikke) Fastpris? Vinnerens Forbannelse, Informasjonsasymmetri, Utvalgsrisiko, Opportunistisk Adferd Og IT-Kontrakter
Presented at internal seminar at Norsvin
M. Jørgensen
From Myths and Fashions to Evidence-Based Software Engineering
Presented at internal seminars at OneCall, Deerwalk (Nepal), Thales and at Certus workshop (Simula)
M. Jørgensen
Offshoring Av IT-Utvikling: Hva Er Viktig for å Lykkes?
Presented at internal seminar at Telenor
M. Jørgensen
Estimater, Usikkerhet, Kommunikasjon. Hva Er Et Estimat? Hvordan Be Om Og Kommunisere Usikkerhet? Effekt Av Ulike Avtaletyper.
Presentation at internal seminar at Creuna
M. Jørgensen and S. Grimstad
Dødssynder Innen Kostnadsestimering
Presentation at SMIDIG 2013
M. Jørgensen and S. Grimstad
How Much Is a Great Developer Worth?
Presentation at Norwegian Developer Conference (NDC) 2013
M. Jørgensen
How to Avoid Disappointments in Software Projects (and Life)
Presentation at Gilb Week (London)
2012
Journal Articles
M. Jørgensen and S. Grimstad
Software Development Estimation Biases: the Role of Interdependence
IEEE Transactions on Software Engineering
M. Jørgensen and B. Kitchenham
Interpretation Problems Related to the Use of Regression Models to Decide on Economy of Scale in Software Development
Journal of Systems and Software
T. Halkjelsvik and M. Jørgensen
From Origami to Software Development: a Review of Studies on Judgment-Based Predictions of Performance Time
Psychological Bulletin
M. Jørgensen, T. Halkjelsvik and B. Kitchenham
How Does Project Size Affect Cost Estimation Error? Statistical Artifacts and Methodological Challenges
International Journal of Project Management
Proceedings, refereed
M. Jørgensen and E. Løhre
First Impressions in Software Development Effort Estimation: Easy to Create and Difficult to Neutralize
16th Int. Conference on Evaluation & Assessment in Software Engineering
M. Jørgensen
Myths and Over-Simplifications in Software Engineering
Proceedings of ICSCT
R. Tamrakar and M. Jørgensen
Does the Use of Fibonacci Numbers in Planning Poker Affect Effort Estimates?
16th Int. Conference on Evaluation & Assessment in Software Engineering
Public outreach
M. Jørgensen
Hvor Gode Er Vi Til å Forutse Kriser?
M. Jørgensen
Vakker Programvarekode
M. Jørgensen
Vil Vi Noen Gang Få Feilfri Programvare?
M. Jørgensen
Jo Mer Usikker, Jo Mer Middels
M. Jørgensen
Smått Er Godt, Eller Jo Større Jo Bedre
M. Jørgensen
Lønnsdiskriminering I IT-Bransjen
M. Jørgensen
Hvor Mye Er En Svært Dyktig IT-Utvikler Verdt?
Talks, keynote
M. Jørgensen
Things aren’t always what they seem: Misinterpretation of observational data in software engineering
Keynote at Euromicro, CESME
Talks, invited
M. Jørgensen
Fra Myter Til Evidens
Invited talk (TAD-seminar)
M. Jørgensen
Relative Estimation of Software Development Effort: It Matter With What and How You Compare
Presentation at JavaZone
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Steria-seminar
2011
Book Chapters
M. Jørgensen
Overconfidence in the Accuracy of Own Work Effort Predictions: the Role of Interval Width
Perspectives on thinking, judging, and decision making
Journal Articles
M. Jørgensen and S. Grimstad
The Impact of Irrelevant and Misleading Information on Software Development Effort Estimates: a Randomized Controlled Field Experiment
IEEE Transactions on Software Engineering
T. Halkjelsvik, M. Jørgensen and K. Teigen
To Read Two Pages, I Need 5 Minutes, But Give Me 5 Minutes and I Will Read Four: How to Change Productivity Estimates by Inverting the Question
Applied Cognitive Psychology
M. Jørgensen
Contrasting Ideal and Realistic Conditions As a Means to Improve Judgment-Based Software Development Effort Estimation
Information and Software Technology
Public outreach
M. Jørgensen
Lønner Det Seg å Følge IT-Moten?
M. Jørgensen
Å Svare På Hvor Fornøyd Du Er Gjør Deg Mindre Fornøyd
M. Jørgensen
Huleboere Bodde Ikke I Huler Men I Telt
M. Jørgensen
FLOSS, Flott Eller Flopp
M. Jørgensen
Du Er Mer Lik Meg Enn Jeg Er Lik Deg
M. Jørgensen
Testere Bør Være Destruktive
M. Jørgensen
IT-Fiaskoer: Djevelen Er I Detaljene
Talks, keynote
M. Jørgensen
From Fashion and Opinion-Based to Evidence-Based Software and Knowledge Engineering
Keynote at: ICKE (India)
M. Jørgensen
Lønner Det Seg å Investere I IT-Prosjekter? Hva Vet Vi Om ROI-Prediksjoner?
Keynote at: IDG, Oslo
Talks, invited
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Seminar held for various companies in Ukraine, Mexico and Nepal
M. Jørgensen
Human Judgment in Planning and Estimation of Software Projects
ICKE 2011 (India)
M. Jørgensen
Du Er Mer Lik Meg Enn Jeg Er Lik Deg: Asymmetri I Relativ Estimering
XP-meeting
M. Jørgensen
Vinnerens Forbannelse, Informasjonsasymmetri, Utvalgsrisiko, Moralsk Risiko Og IT-Kontrakter
Confex Seminar
M. Jørgensen
How We Know What Isn't So: Common Myths in Daily Life and Software Development. Why Do We Believe in Myths?
Chalmers-seminar
M. Jørgensen
Estimering Av IT-Prosjekter: Hva Vet Vi? Hvordan Bli Bedre?
Sparebank 1-seminar
M. Jørgensen
Identification and Management of IT-Projects With High Risk of Cost Overrun
Bearing Point-seminar
M. Jørgensen
Identification and Management of IT-Projects With High Risk of Cost Overrun
ABB seminar
2010
Journal Articles
M. Jørgensen
Selection of Effort Estimation Strategies
Journal of Systems and Software
M. Jørgensen and T. Halkjelsvik
The Effects of Request Formats on Judgment-Based Effort Estimation
Journal of Systems and Software
M. Jørgensen
Identification of More Risks Can Lead to Increased Over-Optimism of and Over-Confidence in Software Development Effort Estimates
Information and Software Technology
Talks, contributed
M. Jørgensen
Hvordan Forbedre Estimering Av Tid Og Kostnader I IT-Prosjekter
Presentation at TrygVesta seminar
M. Jørgensen
How to Become an Excellent IT-Research Institute
Seminar at University of Auckland
M. Jørgensen
Jeg Vet Ikke Hva Et ”story Point” Er, Men Det Virker Bra ...
Presentation at DnD Software conference
M. Jørgensen
Research Quality. What Is It? How to Achieve It?
Presentation at Telenor seminar
M. Jørgensen
How We Know What Isn't So. Common Myths in Business, Health and Daily Life. Why Do We Believe in Myths?
Presentation at IT-Fornebu seminar
M. Jørgensen
Hvordan Estimering Av Ideell Tid Gjør Deg Mer Realistisk (med Innlagt NM I Estimering)
Presentation at JavaZone
M. Jørgensen
Estimering Av IT-Prosjekter: Hva Vet Vi? Hvordan Bli Bedre?
Presentation at Computas seminar
M. Jørgensen
Identification and Management of IT-Projects With High Risk of Cost Overrun
Presentation at Prepare's seminar for the IT-industry (and at an internal Bearing Point seminar)
M. Jørgensen
Jeg Ser Det Når Jeg Tror Det! Moter, Retorikk Og Systemutviklingsmetoder
Seminar for Telenor
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Presentations at seminars at Orient, VietSoft and IMT, Vietnam
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Seminar for the IT-industry in Auckland, organized by University of Auckland
M. Jørgensen
The Value of Empirical Software Engineering Research
Presentation at Chalmers University
Public outreach
M. Jørgensen
”Det Meste Av Kommunikasjon Er Ikke-Verbal" Og Annen Misbruk Av Forskning
Computerworld
M. Jørgensen
Små gaver er også egnet til å påvirke
Computerworld
M. Jørgensen
Ønsketenkning
Computerworld
M. Jørgensen
Offshoring: Vær En God Kunde - Og Du Vil Lykkes
Dagens Næringsliv
M. Jørgensen
Hva Skjer Når Budsjettet Eller Leveransedato Presses?
Computerworld
M. Jørgensen
Vår Medfødte Tallforståelse
Computerworld
M. Jørgensen
Blir Vi Mer Og Mer Middelmådige?
Computerworld
Talks, keynote
M. Jørgensen
Moter, Myter Og Overforenklinger I IT-Bransjen
Keynote at: Norsk informatikk-konferanse (NIK)
Talks, invited
M. Jørgensen
How to Become an Excellent IT-Research Institute (with Substantial Impact on the IT-Intensive Industry)
Invited presentation at the Omar Dengo fundacion seminar: Research, Software Development, and Strategic Investments, Costa Rica
M. Jørgensen
Hvem Passer Offshoring For? Hva Er Viktig for å Lykkes?
Presentation at CIO Forum (IDG)
M. Jørgensen
The Economic Benefits of Publicly Funded IT-Research. How Research and Education on Software Engineering Can Contribute to Costa Rica's ICT Capability
Invited presentation at the Omar Dengo fundacion seminar: Software Engineering and Emerging Markets, Costa Rica
M. Jørgensen
Identification and Management of IT-Projects With High Risk of Cost Overrun
Presentation at Prepare's seminar for the IT-industry (and at an internal Bearing Point seminar)
2009
Book Chapters
M. Jørgensen and S. Grimstad
Software Development Effort Estimation: Demystifying and Improving Expert Estimation
Simula Research Laboratory - by thinking constantly about it
Proceedings, non-refereed
S. Fraser, B. Boehm, H. Erdogmus, M. Jørgensen, S. Rifkin and M. Ross
The Role of Judgment in Software Estimation
ICSE 2009 Panel
S. Fraser, B. Boehm, H. Erdogmus, M. Jørgensen, S. Rifkin and M. Ross
The role of judgment in software estimation
International Conference on Software Engineering
Journal Articles
M. Jørgensen
How to Avoid Selecting Providers With Bids Based on Over-Optimistic Cost Estimates
IEEE Software Magazine
M. Jørgensen and T. M. Gruschke
The Impact of Lessons-Learned Sessions on Effort Estimation and Uncertainty Assessments
IEEE Transactions on Software Engineering
M. Jørgensen and B. Boehm
Software Development Effort Estimation: Formal Models Or Expert Judgment? (Viewpoints Article)
IEEE Software
S. Grimstad and M. Jørgensen
A Preliminary Study of Sequence Effects in Judgment-Based Software Development Work- Effort Estimation
IET Software
Talks, contributed
M. Jørgensen
Hvordan Tilrettelegge for Realisme I Estimater Av Arbeidsmengde I IT-Prosjekter
Presentation at LinPro seminar
M. Jørgensen
Realistisk Estimering Av Prosjekt, Release Og Iterasjon
Presentation at an Ergo seminar
M. Jørgensen
Myter Og Empiri Innen Systemutvikling
Presentation at DnD's Software Conference
M. Jørgensen
Software Development Effort Estimation: What Do We Know About It?
Presentation at PGS (Wroclaw) seminar
M. Jørgensen
Er IT-Utviklere Historieløse? Gjør Det Noe?
Article in Computerworld Norway
M. Jørgensen
Myter Og Empiri (og Hvorfor Vi Aldri Vil Få Svaret På Om Smidige Metoder Virker)
Presentation at a Bouvet seminar
M. Jørgensen
Feillæring Skaper Overtro På Smidige Metoder
Presentation at Smidig
Public outreach
M. Jørgensen
Jeg Ser Det Når Jeg Tror Det
Computerworld
M. Jørgensen
Spillet Som Kun Har Tapere
Computerworld
M. Jørgensen
Jo Mer Jeg Tenker På Det, Desto Sikrere Blir Jeg
Computerworld
M. Jørgensen
Så Du Gorillaen?
Computerworld
M. Jørgensen
Jeg Ser Det Når Jeg Tror Det! Moter, Retorikk Og Systemutviklingsmetoder
Computerworld
M. Jørgensen
Bindersmyten Og ”45% Av All Funksjonalitet Brukes Aldri”
Computerworld
M. Jørgensen
Åtti Prosent Av Systemutviklere Er Bedre Enn Gjennomsnittet
Computerworld
Talks, keynote
M. Jørgensen
How to Impact Software Engineering Practice Through Empirical Research
Keynote at: EASE
Talks, invited
M. Jørgensen
Utvikling Av Programvare I Lavkostland
Presentation at DnD seminar on outsourcing
2008
Journal Articles
M. Jørgensen and S. Grimstad
Avoiding Irrelevant and Misleading Information When Estimating Development Effort
IEEE Software
S. Grimstad and M. Jørgensen
The Impact of Irrelevant Information on Estimates of Software Development Effort
Journal of Systems and Software
T. M. Gruschke and M. Jørgensen
The Role of Outcome Feedback in Improving the Uncertainty Assessment of Software Development Effort Estimates
ACM Transactions on Software Engineering and Methodology
J. E. Hannay and M. Jørgensen
The Role of Artificial Design Elements in Software Engineering Experiments
IEEE Transactions on Software Engineering
Talks, contributed
M. Jørgensen
Kritisk Tenkning
Article in Computerworld Norge
M. Jørgensen
Best for Hvem
Article in Computerworld Norge
M. Jørgensen
Priming
Article in Computerworld Norge
M. Jørgensen
Hjelper Smidige Metoder?
Article in Computerworld Norge
M. Jørgensen
Kulturforskjeller Og Offshoring-Prosjekter
Article in Computerworld Norge
M. Jørgensen
Økt Psykologisk Distanse Fører Til økt Optimisme
Article in Computerworld Norge
M. Jørgensen
Peer, Du Lyver! Nei, Jeg Gjør Ei!
Article in Computerworld Norge
M. Jørgensen and S. Grimstad
Human Biases in Forecasting of Work-Effort: Differences in Effect Sizes in Laboratory and Field Settings
Presentation at International Symposium on Forecasting
M. Jørgensen
Rasjonalitetens Makt Og Maktens Rasjonalitet
Presentation at Objectnet seminar (Dublin)
M. Jørgensen
When Should We Trust Expert Judgment in Software Development?
Presentation at Technische Universität München
M. Jørgensen
How to Avoid Impact From Irrelevant and Misleading Information on Your Cost Estimates
Presentation at Itestra Seminar (München)
M. Jørgensen
The Impact of Irrelevant and Misleading Information on Software Development Effort Estimation: a Randomized, Controlled Field Experiment of Forty-Six Outsourcing Companies
Presentation at IT University Copenhagen
M. Jørgensen
Prinsipper for Estimering Av Utviklingskostnader I IT-Prosjekter
Keynote at Geiloseminaret 2008
M. Jørgensen
Hvorfor Læring Av Erfaring Er Vanskelig Og Hvordan Bli Bedre
Presentation at JavaZone
M. Jørgensen
Læring Av Erfaring
Presentation at Nordnet (project management conference)
M. Jørgensen
Avoiding Impact From Irrelevant and Misleading Information
Presentation at Chalmers University, Gøteborg
M. Jørgensen
Kulturforskjeller Og Outsourcing Av IT-Prosjekter Inni Er Vi Like - Eller Er Vi Egentlig Det?
Presentation at Simula's Industry Seminar
M. Jørgensen
Software Project Planning and Management: Why It Fails and How to Improve It
Presentation at Kathmandu University
S. Grimstad and M. Jørgensen
Sequence Effects in Judgment-Based Software Development Work-Effort Forecasting
Proceedings of the 28th International Symposium on Forecasting
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Presentation at D2Hawkeye (Nepal) seminar
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Presenation at TMA Solution (Vietnam) seminar
M. Jørgensen
Software Development Effort Estimation: Why It Fails and How to Improve It
Presentation at Silverstone (India) Seminar
Proceedings, refereed
S. Grimstad and M. Jørgensen
A Preliminary Study of Sequence Effects in Judgment-Based Software Development Work- Effort Estimation
Proceedings, 12th International Conference on Evaluation and Assessment in Software Engineering
M. Jørgensen and S. Grimstad
Judgment-Updating Among Software Professionals
The 2nd international conference on software knowledge information management and applications (SKIMA)
Talks, keynote
M. Jørgensen
Prinsipper for estimering av utviklingskostnader i IT-prosjekter
Geiloseminaret, Geilo
2007
Journal Articles
M. Jørgensen and M. Shepperd
A Systematic Review of Software Development Cost Estimation Studies
IEEE Transactions on Software Engineering
S. Grimstad and M. Jørgensen
Inconsistency in Expert Judgment-Based Estimates of Software Development Effort
Journal of Systems and Software
M. Jørgensen
Estimation of Software Development Work Effort:Evidence on Expert Judgment and Formal Models
International Journal of Forecasting
M. Jørgensen, B. Faugli and T. M. Gruschke
Characteristics of Software Engineers With Optimistic Predictions
Journal of Systems and Software
Talks, contributed
M. Jørgensen
How to Get a Low Price on Your Next Software Development Project and Why You Should Avoid It
International Symposium on Forecasting
S. Grimstad and M. Jørgensen
The Impact of Irrelevant Information on Inconsistency in Expert Judgment-Based Estimates of Software Development Work
M. Jørgensen
Help! My Brain Is Out of Control! Impact From Irrelevant and Misleading Information in Software Effort Estimation
Presentation at BEKK-seminar
M. Jørgensen
Rasjonelle Beslutninger Ved Valg Av Metoder Og Verktøy
Presentation at JavaZone 2007
M. Jørgensen
Hvordan Kundens Anbudsprosess Får Deg Til å Estimere Overoptimistisk Og Hva Du Kan Gjøre Med Det
Presentation at JavaZone 2007
M. Jørgensen
Estimering Av IT-Prosjekter: Ekspertestimat Eller Modell?
Presentation at Simula's annual estimation seminar
M. Jørgensen
Estimering Av IT-Prosjekter
Presentation at Lindorff-seminar
M. Jørgensen and S. Grimstad
Software Development Effort Estimation
Presentation at Making Waves-seminar
M. Jørgensen
Det Kommer an På Hvordan Man Spør
Article in Computerworld Norge
M. Jørgensen
Overtro På Førsteinntrykket
Article in Computerworld Norge
M. Jørgensen
Hva Slags Informasjon Stoler Vi Mest På?
Article in Computerworld Norge
M. Jørgensen
Er Selvbeherskelsen Din Sliten Og Utrent?
Article in Computerworld Norge
M. Jørgensen
Hypnose, Rasjonalisering Og Litt Måleteori
Article in Computerworld Norge
M. Jørgensen
Kunder, Leverandører, Yrkesetikk Og Informasjonsasymmetri
Article in Computerworld Norge
M. Jørgensen
Sannsynligvis Vil Noe Usannsynlig Skje
Article in Computerworld Norge
M. Jørgensen and S. Grimstad
How Should We (not) Design Empirical Studies of Software Development?
Invited presentation at the University of New South Wales, Sydney
Proceedings, refereed
M. Jørgensen
Individual Differences in How Much People Are Affected by Irrelevant and Misleading Information
Second European Conference on Cognitive Science
S. Grimstad and M. Jørgensen
The Impact of Irrelevant Information on Estimates of Software Development Effort
The Australian Software Engineering Conference (Paper received "Best Paper Award")
M. Jørgensen
A Critique of How We Measure and Interpret the Accuracy of Software Development Effort Estimation
1st International Workshop on Software Productivity Analysis and Cost Estimation
D. I. K. Sjøberg, T. Dybå and M. Jørgensen
The Future of Empirical Methods in Software Engineering Research
Future of Software Engineering (FOSE '07)
Talks, keynote
M. Jørgensen
Software Cost Estimation: When to Use Estimation Models and When to Use Expert Judgment
2006
Book Chapters
M. Jørgensen and D. I. K. Sjøberg
Expert Estimation of Software Development Work
Software Evolution and Feedback: Theory and Practice
Journal Articles
S. Grimstad, M. Jørgensen and K. J. Moløkken-Østvold
Software Effort Estimation Terminology: the Tower of Babel
Information and Software Technology
M. Jørgensen
The Effects of the Format of Software Project Bidding Processes
International Journal of Project Management
M. Jørgensen and K. J. Moløkken-Østvold
How Large Are Software Cost Overruns? Critical Comments on the Standish Group's CHAOS Reports
Information and Software Technology
Talks, contributed
M. Jørgensen
Læring Av Erfaring
Article in Computerworld Norge, No 30, p 36
M. Jørgensen and S. Grimstad
Hvordan Bli Bedre Til å Estimere? (Inkludert NM I Estimering)
Presentation at JavaZone, September 13
M. Jørgensen and S. Grimstad
How to Avoid Impact From Irrelevant and Misleading Information on Your Cost Estimates
Presentation at Simula's Annual Estimation Seminar, November 21
M. Jørgensen
Software Cost Overruns - How Large Are They and How Should They Be Measured? a Critique of the Standish Group Chaos Report.
Invited talk at the conference: OOP (Object oriented programming), München, January,
T. M. Gruschke and M. Jørgensen
How Much Does Feedback and Performance Review Improve Software Development Effort Estimation? an Empirical Study
International Symposium of Forecasting (ISF) 2006
M. Jørgensen and K. J. Moløkken-Østvold
Wie Gross Sind Die Kostenüberschreitungen Tatsächlich
Article in OBJEKTspektrum (in German)
M. Jørgensen and K. J. Moløkken-Østvold
How Large Are Software Cost Overruns? a Review of the 1994 CHAOS Report
Article in Software Practitioner (Vol 16, no 4&5, p 13-14)
M. Jørgensen
How to Achieve Lower Software Bids and Why Not to Do This
Article in Improve (Newsletter 2-2006, p 1-2)
M. Jørgensen
Herre I Eget Hus?
Article in Computerworld Norge, nr 24, s. 40.
M. Jørgensen
Min Venstre Hjernehalvdel Hører Ikke På Meg
Article in Computerworld Norge, No 42, p 40
M. Jørgensen
En Jungel Av Forskningsresultater
Article in Computerworld Norge, No 36, p 40
M. Jørgensen
Software Cost Estimation Research at Simula Research Laboratory
Seminar presentation at New Bulgarian University, Sofia
M. Jørgensen
Hvor Rasjonelle Er Våre Beslutninger Ved Valg Av Metoder Og Verktøy?
Keynote at SPIKE conference, Oslo, April 4
M. Jørgensen
Overoptimisme I IT-Prosjekter: Hvorfor Lærer Vi Aldri?
Presentation at OMG-seminar, Oslo, April 19
M. Jørgensen
Overoptimisme I IT-Prosjekter?
Presentation at Veivesenets 11th summer meeting, Svolvær, Juni 1
M. Jørgensen and S. Grimstad
Når Skal Vi Bruke Hodet Og Når Skal Vi Bruke Estimeringsmodeller?
Presentation at JavaZone, September 13
M. Jørgensen
Hvorfor Kostnadsestimater Er Overoptimistiske. Kundens Ansvar Er Sterkt Undervurdert!
Presenation at IKT-Norge seminar, Desember 5
T. M. Gruschke and M. Jørgensen
How Much Does Feedback and Performance Review Improve Software Development Effort Estimation? an Empirical Study (extended Abstract)
In International Symposium on Forecasting, edited by Antonio Garcìa-Ferrer, Santander, 12-14 June 2006. International Institute of Forecasters, pages 103
Proceedings, refereed
M. Jørgensen and B. Faugli
Prediction of Optimistic Expert Judgment-Based Predictions
EASE 2006
S. Grimstad and M. Jørgensen
A Framework for the Analysis of Software Cost Estimation Accuracy
ISESE 2006
M. Jørgensen
Software Cost Estimation: When to Use Expert Judgment and When to Use Models
International Symposium on Forecasting
M. Jørgensen
A Preliminary Model of Judgment-Based Project Software Effort Predictions
IRNOP VIII, Project Research Conference
T. M. Gruschke and M. Jørgensen
To Know Or Not to Know: When Does Feedback Lead to Better Assessment of Uncertainty of Own Beliefs?
IAREP/SABE congress (Behavioural Economics and Economic Psychology)
2005
Journal Articles
T. Dybå, B. Kitchenham and M. Jørgensen
Evidence-Based Software Engineering for Practitioners
IEEE Software
M. Jørgensen
Practical Guidelines for Better Support of Expert Judgement-Based Software Effort Estimation
IEEE Software
K. Teigen and M. Jørgensen
When 90% Confidence Intervals Are Only 50% Certain: on the Credibility of Credible Intervals
Applied Cognitive Psychology
K. J. Moløkken-Østvold and M. Jørgensen
Expert Estimation of the Effort of Web-Development Projects: Are Software Professionals in Technical Roles More Optimistic Than Those in Non-Technical Roles?
Empirical Software Engineering
A. Karahasanovic, B. C. D. Anda, E. Arisholm, S. E. Hove, M. Jørgensen, D. I. K. Sjøberg and R. Welland
Collecting Feedback During Software Engineering Experiments
Empirical Software Engineering
M. Jørgensen
Evidence-Based Guidelines for Assessment of Software Development Cost Uncertainty
IEEE Transactions on Software Engineering
K. J. Moløkken-Østvold and M. Jørgensen
A Comparison of Software Project Overruns - Flexible Vs. Sequential Development Models
IEEE Transactions on Software Engineering
Talks, contributed
M. Jørgensen, S. Grimstad and T. M. Gruschke
The Magic Step in Expert Estimation of Software Cost. Why Does 1000 Feel More Right Than 1500?
Invited talk at: JavaZone, 2005
K. Teigen, M. Jørgensen and A. Halberg
On the Psychology of Uncertainty Intervals
Presentation at the seminar: Confidence in Interactive Decisions. University of Leicester
M. Jørgensen and K. Teigen
Kan Vi Unngå at "så å Si Helt Sikkert" Bare Betyr "60% Sikkert"?
Prosjektledelse (norsk fagtidsskrift for prosjektledere), Nr 2, s. 29-31
M. Jørgensen
Valg Av IT-Leverandør Basert På Laveste Pris:VINNERENS FORBANNELSE
Presentation at the DnD conference Software 2005
M. Jørgensen
Hvordan Unngå VINNERENS FORBANNELSE I Anbudsrunder Med Mange Tilbydere Og Sterk Fokusering På Pris?
Presenation at SPIKE seminar, June
M. Jørgensen, S. Grimstad and T. M. Gruschke
"The Magic Step" I Ekspertestimering Av IT-Utviklingskostnader. Hvorfor Føles 1000 Timeverk Mer Riktig Enn 1500?
Invited talk at JavaZone 2005
M. Jørgensen and K. J. Moløkken-Østvold
Hvorfor Er Vi Overoptimistiske Igjen Og Igjen Og Igjen ...
Presentation IT-Fornebu halvtimen
M. Jørgensen
Practical Guidelines for Expert-Judgment-Based Software Effort Estimation
Invited article to SPIKE newsletter IMPROVE
M. Jørgensen
Overoptimisme I IT-Prosjekter: Hvorfor Lærer Vi Aldri?
Simula seminar with approx. 100 software professionals
Proceedings, refereed
M. Jørgensen and T. M. Gruschke
Industrial Use of Formal Software Cost Estimation Models: Expert Estimation in Disguise?
Proceedings of EASE, Keele, UK, April 11-13
K. J. Moløkken-Østvold, M. Jørgensen, P. Sørgaard and S. Grimstad
Management of Public Software Projects: Avoiding Overruns
Hawaiian International Conference on Business, May 25-28, Hawaii, USA
M. Jørgensen and S. Grimstad
Over-Optimism in Software Development Projects: “The Winner's Curse”
Proceedings of IEEE CONIELECOMP, Puebla, Mexico, February 28-March 2
T. M. Gruschke and M. Jørgensen
Assessing Uncertainty of Software Development Effort Estimates:The Learning From Outcome Feedback
11th International Software Metrics Symposium (METRICS 2005), Como, Italy, September 19-22
S. Grimstad, M. Jørgensen and K. J. Moløkken-Østvold
The Clients' Impact on Effort Estimation Accuracy in Software Development Projects
11th IEEE International Software Metrics Symposium (METRICS 2005), Como, Italy, September 19-22
M. Jørgensen, B. Kitchenham and T. Dybå
Teaching Evidence-Based Software Engineering to University Students
11th IEEE International Software Metrics Symposium, Como, Italy, September 19-22
M. Jørgensen
The "Magic Step" of Judgment-Based Software Effort Estimation
International Conference on Cognitive Economics
C. Mair, M. Shepperd and M. Jørgensen
An Analysis of Data Sets Used to Train and Validate Cost Prediction Systems
International Conference on Software Engineering: Proceedings of the 2005 workshop on Predictor models in software engineering
Talks, keynote
M. Jørgensen
Teaching Evidence-Based Software Engineering
EASE, Keele, England
2004
Journal Articles
K. J. Moløkken-Østvold and M. Jørgensen
Group Processes in Software Effort Estimation
Empirical Software Engineering
M. Jørgensen
Top-Down and Bottom-Up Expert Estimation of Software Development Effort
Information and Software Technology
M. Jørgensen and G. J. Carelius
An Empirical Study of Software Project Bidding
IEEE Transactions on Software Engineering
M. Jørgensen and K. J. Moløkken-Østvold
Reasons for Software Effort Estimation Error: Impact of Respondents Role, Information Collection Approach, and Data Analysis Method
IEEE Transactions on Software Engineering
M. Jørgensen
Regression Models of Software Development Effort Estimation Accuracy and Bias
Empirical Software Engineering
M. Jørgensen and D. I. K. Sjøberg
The Impact of Customer Expectation on Software Development Effort Estimates
International Journal of Project Management
M. Jørgensen, K. Teigen and K. J. Moløkken-Østvold
Better Sure Than Safe? Overconfidence in Judgment Based Software Development Effort Prediction Intervals
Journal of Systems and Software
M. Jørgensen
A Review of Studies on Expert Estimation of Software Development Effort
Journal of Systems and Software
M. Jørgensen
Increasing Realism in Effort Estimation Uncertainty Assessments: It Matters How You Ask
IEEE Transactions on Software Engineering
Talks, contributed
K. J. Moløkken-Østvold, M. Jørgensen and P. Sørgaard
Offentlig Fare
Newspaper article in Computerworld
M. Jørgensen
Uncertainty Assessments in Software Development Projects
Presentation at: Causality, Uncertainty & Ignorance, 3rd International Summer School 2004, University of Konstanz, Germany
M. Jørgensen
Software Cost Overruns - How Large Are They and How Should They Be Measured?
Invited talk at: 60th seminar of the Software Reliability and Metrics Club, London
M. Jørgensen
Lav Pris Gir Lav Kvalitet
Computerworld, Under lupen
M. Jørgensen
Erfaring Er Ikke Ekspertise
Computerworld, Under lupen
M. Jørgensen
Hvor Gode Er Våre It-Aktører
Computerworld, Under lupen
M. Jørgensen
Kunsten å Måle
Computerworld, Under lupen
M. Jørgensen
Simpsons Paradoks
Computerworld, Under lupen
M. Jørgensen
Optimisme: Styrke Og Svakhet
Computerworld, Under lupen
M. Jørgensen
Produktet Som Ikke Kan Målbindes
Computerworld, Under lupen
M. Jørgensen
Overskridelser I Offentlige IT-Prosjekter
Computerworld: Kronikk
M. Jørgensen
Hvordan Få Tak I Den Reelle Usikkerheten I IT-Prosjekter
Den Norske Dataforening: Presentasjon på seminar
M. Jørgensen
Software Cost Overruns - How Large Are They? Critical Comments on the CHAOS Report
SPIKE-seminar: Presentasjon
M. Jørgensen
Uncertainty Assessments in Situations With Unknown Probabilities, Unknown Events and Partial Impact of Outcome
Misc
M. Jørgensen
Estimering Av IT-Prosjekter
Simula-seminar: Presentasjon
Proceedings, refereed
K. J. Moløkken-Østvold, M. Jørgensen, S. S. Tanilkan, H. Gallis, A. C. Lien and S. E. Hove
A Survey on Software Estimation in the Norwegian Industry
10th International Software Metrics Symposium (METRICS 2004)
K. J. Moløkken-Østvold, A. C. Lien, M. Jørgensen, S. S. Tanilkan, H. Gallis and S. E. Hove
Does Use of Development Model Affect Estimation Accuracy and Bias?
Product Focused Software Process Improvement: 5th International Conference (PROFES 2004)
B. Kitchenham, T. Dybå and M. Jørgensen
Evidence-Based Software Engineering
International Conference on Software Engineering (ICSE'04)
M. Jørgensen and K. J. Moløkken-Østvold
Eliminating Over-Confidence in Software Development Effort Estimates
Conference on Product Focused Software Process Improvement
M. Jørgensen and D. I. K. Sjøberg
Generalization and Theory-Building in Software Engineering Research
Empirical Assessment in Software Engineering (EASE2004)
Public outreach
M. Jørgensen
IT-Sprekk Skyldes Urealistiske Kunder
digi.no
Technical reports
K. J. Moløkken-Østvold, M. Jørgensen, S. S. Tanilkan, H. Gallis, A. C. Lien and S. E. Hove
Project Estimation in the Norwegian Software Industry - a Summary
2003
Book Chapters
D. I. K. Sjøberg, B. C. D. Anda, E. Arisholm, T. Dybå, M. Jørgensen, A. Karahasanovic and M. Vokác
Challenges and Recommendations When Increasing the Realism of Controlled Software Engineering Experiments
Empirical Methods and Studies in Software Engineering: Experiences from ESERNET
Journal Articles
M. Jørgensen, D. I. K. Sjøberg and U. G. Indahl
Software Effort Estimation by Analogy and Regression Toward the Mean
Journal of Systems and Software
M. Jørgensen and D. I. K. Sjøberg
An Effort Prediction Interval Approach Based on the Empirical Distribution of Previous Estimation Accuracy
Information and Software Technology
M. Jørgensen
How Much Does a Vacation Cost? Or What Is a Software Cost Estimate?
ACM Software Engineering Notes
Proceedings, refereed
M. Jørgensen and K. J. Moløkken-Østvold
A Preliminary Checklist for Software Cost Management
IEEE International Conference on Quality Software
M. Jørgensen and K. J. Moløkken-Østvold
Situational and Task Characteristics Systematically Associated With Accuracy of Software Development Effort Estimates
Information Resources Management Association Conference
M. Jørgensen
An Attempt to Model the Software Development Effort Estimation Accuracy and Bias
Proceedings of Conference on Empirical Assessment in Software Engineering
K. J. Moløkken-Østvold and M. Jørgensen
Software Effort Estimation: Unstructured Group Discussion As a Method to Reduce Individual Biases
The 15th Annual Workshop of the Psychology of Programming Interest Group (PPIG 2003)
K. J. Moløkken-Østvold and M. Jørgensen
A Review of Surveys on Software Effort Estimation
IEEE International Symposium on Empirical Software Engineering (ISESE 2003)
Technical reports
A. Karahasanovic, B. C. D. Anda, E. Arisholm, S. E. Hove, M. Jørgensen and D. I. K. Sjøberg
A Think-Aloud Support Tool for Collecting Feedback in Large-Scale Software Engineering Experiments
2002
Journal Articles
L. Bratthall and M. Jørgensen
Can You Trust a Single Data-Source Exploratory Software Engineering Case-Study
Empirical Software Engineering
M. Jørgensen and D. I. K. Sjøberg
Impact of Experience on Maintenance Skills
Journal of Software Maintenance and Evolution: Research and Practice
M. Jørgensen
Comments On: a Simulation Tool for Efficient Analogy Based Cost Estimation
Empirical Software Engineering
Proceedings, refereed
M. Jørgensen and K. J. Moløkken-Østvold
Combination of Software Development Effort Prediction Intervals: Why, When and How?
Fourteenth IEEE Conference on Software Engineering and Knowledge Engineering (SEKE'02)
M. Jørgensen and K. Teigen
Uncertainty Intervals Versus Interval Uncertainty: an Alternative Method for Eliciting Effort Prediction Intervals in Software Development Projects
Proceedings of International Conference on Project Management (ProMAC)
M. Jørgensen, N. Løvstad and L. Moen
Combining Quantitative Software Development Cost Estimation Precision Data With Qualitative Data From Project Experience Reports at Ericsson Design Center in Norway
Proceedings of the Conference on Empirical Assesssments of Software Engineering
M. Jørgensen and D. I. K. Sjøberg
A Simple Effort Prediction Interval Approach
Proceedings of the Conference on Achieving Quality in Information Systems
D. I. K. Sjøberg, B. C. D. Anda, E. Arisholm, T. Dybå, M. Jørgensen, A. Karahasanovic, E. Koren and M. Vokác
Conducting Realistic Experiments in Software Engineering
ISESE'2002 (First International Symposium on Empirical Software Engineering)
K. Teigen and M. Jørgensen
Probability Intervals and Interval Probabilities Are Not the Same
Annual Meeting Society for Judgment and Decision Making (Poster)
2001
Journal Articles
E. Arisholm, D. I. K. Sjøberg and M. Jørgensen
Assessing the Changeability of Two Object-Oriented Design Alternatives - a Controlled Experiment
Empirical Software Engineering
M. Jørgensen and D. I. K. Sjøberg
Impact of Effort Estimates on Software Project Work
Information and Software Technology
M. Jørgensen and D. I. K. Sjøberg
Software Process Improvement and Human Judgement Heuristics
Scandinavian Journal of Information Systems
Proceedings, refereed
B. C. D. Anda, H. Dreiem, D. I. K. Sjøberg and M. Jørgensen
Estimating Software Development Effort Based on Use Cases - Experiences From Industry
4th International Conference on the Unified Modeling Language (UML2001)
B. C. D. Anda, D. I. K. Sjøberg and M. Jørgensen
Quality and Understandability of Use Case Models
ECOOP 2001 - Object-Oriented Programming, 15th European Conference
L. Bratthall, E. Arisholm and M. Jørgensen
Program Understanding Behaviour During Estimation of Enhancement on Small Java Programs
3rd International Conference on Product Focused Software Process Improvement (PROFES 2001)
M. Jørgensen and D. I. K. Sjøberg
Anchoring Effects: an Important Cause of Too Optimistic Effort Estimates in Software Development Projects
24nd IRIS Conference (Information Systems Research Seminar In Scandinavia)
A. Karahasanovic, D. I. K. Sjøberg and M. Jørgensen
Data Collection in Software Engineering Experiments
Managing Information Technology in a Global Economy, Information Resources Management Association International Conference IRMA 2001, Software Engineering Track
D. I. K. Sjøberg, E. Arisholm and M. Jørgensen
Conducting Experiments on Software Evolution
4th International Workshop on Principles of Software Evolution (IWPSE 2001)
L. Bratthall and M. Jørgensen
Can You Trust a Single Data-Source Exploratory Software Engineering Case Study
EASE 2001
M. Jørgensen, U. G. Indahl and D. I. K. Sjøberg
Software Effort Estimation by Analogy and Regression Toward the Mean
The Thirteenth International Conference on Software Engineering & Knowledge Engineering (SEKE01)
2000
Proceedings, refereed
B. C. D. Anda and M. Jørgensen
Understanding Use Case Models
Beg, Borrow, or Steal Workshop, International Conference on Software Engineering
M. Jørgensen and D. I. K. Sjøberg
The Importance of NOT Learning From Experience
EuroSPI'2000 -European Software Process Improvement
M. Jørgensen, G. Kirkebøen, D. I. K. Sjøberg, B. C. D. Anda and L. Bratthall
Human Judgement in Effort Estimation of Software Projects
Beg, Borrow, or Steal Workshop, International Conference on Software Engineering
M. Jørgensen and D. I. K. Sjøberg
Empirical Studies on Effort Estimation in Software Development Projects
IRMA 2000
M. Jørgensen, D. I. K. Sjøberg and G. Kirkebøen
The Prediction Ability of Experienced Software Maintainers
4th Europan Conference on Software Maintenance and Reengineering
Technical reports
T. Dybå, K. J. Wedde, T. Stålhane, N. B. Moe, R. Conradi, T. Dingsøyr, D. I. K. Sjøberg and M. Jørgensen
SPIQ Metodehåndbok
1999
Journal Articles
M. Jørgensen, D. I. K. Sjøberg and R. Conradi
Reuse of Software Development Experience - a Case Study
Telektronikk
M. Jørgensen
Software Quality According to Measurement Theory
Telektronikk
M. Jørgensen and S. Bygdås
An Empirical Study of the Correlation Between Development Efficiency and Software Development Tools
Telektronikk
M. Jørgensen
Software Quality Measurement
Advances in Engineering Software
Proceedings, refereed
E. Arisholm, B. C. D. Anda, M. Jørgensen and D. I. K. Sjøberg
Guidelines on Conducting Software Process Improvement Studies in Industry
22nd IRIS Conference (Information Systems Research Seminar In Scandinavia)
1998
Proceedings, refereed
M. Jørgensen, D. I. K. Sjøberg and R. Conradi
Reuse of Software Development Experience at Telenor Telecom Software
European Software Process Improvement Conference (EuroSPI'98)
1997
Proceedings, refereed
M. Jørgensen
Measurement of Software Quality
First International Conference Software Quality Engineering
1996
Proceedings, refereed
D. I. K. Sjøberg, R. Welland, M. P. Atkinson, M. Jørgensen, J. P. Martinussen and A. Maus
Evaluating Software Maintenance Technology
Norwegian Conference in Informatics
1995
Journal Articles
M. Jørgensen
An Empirical Study of Software Maintenance Tasks
Journal of Software Maintenance and Evolution: Research and Practice
M. Jørgensen
The Quality of Questionnaire Based Software Maintenance Studies
ACM SIGSOFT Software Engineering Notes
M. Jørgensen
Experience With the Accuracy of Software Maintenance Task Effort Prediction Models
IEEE Transactions on Software Engineering
Proceedings, refereed
M. Jørgensen
Empirical Evaluation of CASE Tool Efficiency
Sixth International Conference On applications of Software Measurement
M. Jørgensen and S. S. Bygdås
Empirical Evaluation of CASE Tools
Norwegian Informatics Conference
Technical reports
M. Jørgensen, S. S. Bygdås and T. Lunde
Efficiency Evaluation of CASE Tools - Method and Results
1994
Journal Articles
M. Jørgensen
Prediction of Software Maintenance Effort
Norwegian Informatics Conference
Talks, contributed
M. Jørgensen
Systemutvikling Og Vitenskapsteori
Norwegian Telecom Research Note, 18/94, (in Norwegian)
Proceedings, refereed
M. Jørgensen
A Comparative Study of Software Maintenance Effort Prediction Models
5th Australasian Conference on Information Systems
PhD Thesis
M. Jørgensen
Empirical Studies of Software Maintenance
1993
Journal Articles
S. S. Bygdås and M. Jørgensen
Software Development Methods and Life Cycle Models
Technical Journal of Norwegian Telecom
M. Jørgensen
Software Maintainability - on Purpose Or Accidentally
Technical Journal of Norwegian Telecom
Proceedings, refereed
M. Jørgensen and A. Maus
A Case Study of Software Maintenance Tasks
Norwegian Informatics Conference