Magne Jørgensen
Professor II
-
PROG Programmering

English version of this page
E-post
magnej@ifi.uio.no
Telefon
+47 92433355
Mobiltelefon
+47 92433355
Brukernavn
Besøksadresse
Gaustadalléen 23B
0373 Oslo
Postadresse
Postboks 1080
0316 Oslo
Faglige interesser
Prosjektplanlegging, kostnadsestimering, ekspertvurderinger, evidens-basert systemutvikling
Undervisning
INF5520 - Ressursestimering, usikkerhetsvurdering, planlegging og budsjettering av it-prosjekter
Publikasjoner
- Filkukova, Petra & Jørgensen, Magne (2020). 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. ISSN 0004-9530. 72(3), s 257- 266 . doi: 10.1111/ajpy.12285
- Holgeid, Knut Kjetil & Jørgensen, Magne (2020). Practices connected to perceived client benefits of software projects. IET Software. ISSN 1751-8806. 14(6), s 677- 683 . doi: 10.1049/iet-sen.2019.0141
- Jørgensen, Magne (2019). Evaluating probabilistic software development effort estimates: Maximizing informativeness subject to calibration. Information and Software Technology. ISSN 0950-5849. 115, s 93- 96 . doi: 10.1016/j.infsof.2019.08.006
- Jørgensen, Magne (2019). Relationships Between Project Size, Agile Practices, and Successful Software Development: Results and Analysis. IEEE Software. ISSN 0740-7459. 36(2), s 39- 43 . doi: 10.1109/MS.2018.2884863
- Jørgensen, Magne & Halkjelsvik, Torleif (2019). Sequence effects in the estimation of software development effort. Journal of Systems and Software. ISSN 0164-1212. . doi: 10.1016/j.jss.2019.110448
- Mohagheghi, Parastoo & Jørgensen, Magne (2017). What Contributes to the Success of IT Projects? An Empirical Study of IT Projects in the Norwegian Public Sector. Journal of Software. ISSN 1796-217X. 12(9), s 751- 758 . doi: 10.17706/jsw.12.9.751-758
- Jørgensen, Magne (2016). Better Selection of Software Providers through Trialsourcing. IEEE Software. ISSN 0740-7459. 33(5), s 48- 53 . doi: 10.1109/MS.2015.24
- Jørgensen, Magne; Dybå, Tore; Liestøl, Knut & Sjøberg, Dag (2016). Incorrect results in software engineering experiments: How to improve research practices. Journal of Systems and Software. ISSN 0164-1212. 116, s 133- 145 . doi: 10.1016/j.jss.2015.03.065 Fulltekst i vitenarkiv. Vis sammendrag
- Jørgensen, Magne & Yamashita, Aiko (2016). Cultural Characteristics and Their Connection to Increased Risk of Software Project Failure. Journal of Software. ISSN 1796-217X. 11(6), s 606- 614 . doi: 10.17706/jsw.11.6.606-614
- Løhre, Erik & Jørgensen, Magne (2016). Numerical anchors and their strong effects on software development effort estimates. Journal of Systems and Software. ISSN 0164-1212. 116, s 49- 56 . doi: 10.1016/j.jss.2015.03.015
- Jørgensen, Magne (2015). The Effect of the Time Unit on Software Development Effort Estimates, In Dahal Keshav & Rameshwar Rijal (ed.), 9th International Conference on Software, Knowledge, Information Management and Applications (SKIMA) 2015. IEEE. ISBN 978-1-4673-6744-8. Kapïttel.
- Jørgensen, Magne & Papatheocharous, Efi (2015). Believing is Seeing: Confirmation Bias Studies in Software Engineering, In Jose Silva Matos & José Carlos Alves (ed.), 41st Euromicro Conference on Software Engineering and Advanced Applications (SEAA) 2015. IEEE Press. ISBN 978-1-4673-7585-6. Kapittel. s 92 - 95
- Jørgensen, Magne (2014). Failure factors of small software projects at a global outsourcing marketplace. Journal of Systems and Software. ISSN 0164-1212. 92(1), s 157- 169 . doi: 10.1016/j.jss.2014.01.034
- Jørgensen, Magne (2014). What we do and don't know about software development effort estimation. IEEE Software. ISSN 0740-7459. 31(2), s 37- 40 . doi: 10.1109/MS.2014.49
- Jørgensen, Magne (2013). Relative Estimation of Software Development Effort: It Matters With What and How You Compare. IEEE Software. ISSN 0740-7459. 30(2), s 74- 79 . doi: 10.1109/MS.2012.70
- Jørgensen, Magne (2013). The influence of selection bias on effort overruns in software development projects. Information and Software Technology. ISSN 0950-5849. 55(9), s 1640- 1650 . doi: 10.1016/j.infsof.2013.03.001
- Halkjelsvik, Torleif & Jørgensen, Magne (2012). From Origami to Software Development: A Review of Studies on Judgment-Based Predictions of Performance Time. Psychological bulletin. ISSN 0033-2909. 138(2), s 238- 271 . doi: 10.1037/a0025996
- Jørgensen, Magne & Grimstad, Stein (2012). Software Development Estimation Biases: The Role of Interdependence. IEEE Transactions on Software Engineering. ISSN 0098-5589. 38(3), s 677- 693 . doi: 10.1109/TSE.2011.40
- Jørgensen, Magne; Halkjelsvik, Torleif & Kitchenham, Barbara (2012). How does project size affect cost estimation error? Statistical artifacts and methodological challenges. International Journal of Project Management. ISSN 0263-7863. 30(7), s 839- 849 . doi: 10.1016/j.ijproman.2012.01.007
- Jørgensen, Magne & Kitchenham, Barbara (2012). Interpretation problems related to the use of regression models to decide on economy of scale in software development. Journal of Systems and Software. ISSN 0164-1212. 85(11), s 2494- 2503 . doi: 10.1016/j.jss.2012.05.068
- Jørgensen, Magne & Løhre, Erik (2012). First Impressions in Software Development Effort Estimation: Easy to Create and Difficult to Neutralize, In Teresa Baldassarre; Marcela Genreo; Emilia Mendes & Mario Piattini (ed.), Evaluation & Assessment in Software Engineering (EASE 2012), 16th International Conference on. IET Conference Publications. ISBN 978-1-84919-541-6. Artikkel. s 216 - 222
- Tamrakar, Ritesh & Jørgensen, Magne (2012). Does the use of Fibonacci numbers in Planning Poker affect effort estimates?, In Emilia Mendes & Marcela Genero (ed.), Proceedings, 16th International Conference on Evaluation and Assessment in Software Engineering. IET Research Journals. ISBN 978-1-84919-541-6. Artikkel. s 228 - 232
- Halkjelsvik, Torleif; Jørgensen, Magne & Teigen, Karl Halvor (2011). 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. ISSN 0888-4080. 25(2), s 314- 323 . doi: 10.1002/acp.1693
- Jørgensen, Magne (2011). Contrasting ideal and realistic conditions as a means to improve judgment-based software development effort estimation. Information and Software Technology. ISSN 0950-5849. 53(12), s 1382- 1390 . doi: 10.1016/j.infsof.2011.07.001
- Jørgensen, Magne (2011). Overconfidence in the accuracy of own work effort predictions: The role of interval width, In Wibecke Brun; Gideon Keren; Geir Kirkebøen & Henry Montgomery (ed.), Perspectives on Thinking, Judging, and Decision Making. Universitetsforlaget. ISBN 9788215018782. Kapittel 3. s 47 - 56
- Jørgensen, Magne & Grimstad, Stein (2011). The Impact of Irrelevant and Misleading Information on Software Development Effort Estimates: A Randomized Controlled Field Experiment. IEEE Transactions on Software Engineering. ISSN 0098-5589. 37(5), s 695- 707 . doi: 10.1109/TSE.2010.78
- Halkjelsvik, Torleif; Jørgensen, Magne & Teigen, Karl Halvor (2010). 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. ISSN 0888-4080. . doi: 10.1002/acp.1693
- Jørgensen, Magne (2010). Identification of more risks can lead to increased over-optimism of and over-confidence in software development effort estimates. Information and Software Technology. ISSN 0950-5849. 52(5), s 506- 516 . doi: 10.1016/j.infsof.2009.12.002
- Jørgensen, Magne (2010). Selection of strategies in judgment-based effort estimation. Journal of Systems and Software. ISSN 0164-1212. 83(6), s 1039- 1050 . doi: 10.1016/j.jss.2009.12.028
- Jørgensen, Magne & Grimstad, Stein (2010). Software Development Effort Estimation: Demystifying and Improving Expert Estimation, In Aslak Tveito; Are Magnus Bruaset & Olav Lysne (ed.), Simula Research Laboratory - by thinking constantly about it. Springer. ISBN 978-3-642-01155-9. 26. s 381 - 404
- Jørgensen, Magne & Grimstad, Stein (2010). The Impact of Irrelevant and Misleading Information on Software Development Effort Estimates: A Randomized Controlled Field Experiment. IEEE Transactions on Software Engineering. ISSN 0098-5589.
- Jørgensen, Magne & Halkjelsvik, Torleif (2010). The effects of request formats on judgment-based effort estimation. Journal of Systems and Software. ISSN 0164-1212. 83(1), s 29- 36 . doi: 10.1016/j.jss.2009.03.076
- Jørgensen, Magne (2009). How to Avoid Selecting Providers with Bids Based on Over-Optimistic Cost Estimates. IEEE Software. ISSN 0740-7459. 26(3), s 79- 84
- Jørgensen, Magne (2009). McGuire-programmets stammebehandling: Hva er det? Virker det? Hva kan logopeder lære fra det?. Norsk tidsskrift for logopedi. ISSN 0332-7256. 55(1), s 13- 18
- Jørgensen, Magne & Boehm, Barry (2009). Software Development Effort Estimation: Formal Models or Expert Judgment?. IEEE Software. ISSN 0740-7459. March/April, s 14- 19
- Jørgensen, Magne & Grimstad, Stein (2009). A Preliminary Study of Sequence Effects in Judgment-based Software Development Work- Effort Estimation. IET Software. ISSN 1751-8806. 3(5), s 435- 441
- Jørgensen, Magne & Gruschke, Tanja Milijana (2009). The Impact of Lessons-Learned Sessions on Effort Estimation and Uncertainty Assessments. IEEE Transactions on Software Engineering. ISSN 0098-5589. 35(3), s 368- 383 . doi: 10.1109/TSE.2009.2
- Gruschke, Tanja Milijana & Jørgensen, Magne (2008). The role of outcome feedback in improving the uncertainty assessment of software development effort estimates. ACM Transactions on Software Engineering and Methodology. ISSN 1049-331X. 17 . doi: 10.1145/13487689.13487693
- Hannay, Jo Erskine & Jørgensen, Magne (2008). The Role of Artificial Design Elements in Software Engineering Experiments. IEEE Transactions on Software Engineering. ISSN 0098-5589. 34(2), s 242- 259
- Hannay, Jo Erskine & Jørgensen, Magne (2008). The Role of Deliberate Artificial Design Elements in Software Engineering Experiments. IEEE Transactions on Software Engineering. ISSN 0098-5589. 34(2), s 242- 259 . doi: 10.1109/TSE.2008.13
- Jørgensen, Magne & Grimstad, Stein (2008). How to Avoid Impact from Irrelevant and Misleading Information When Estimating Software Development Effort. IEEE Software. ISSN 0740-7459. (May/June), s 78- 83 . doi: 10.1109/MS.2008.57
- Jørgensen, Magne; Jørgensen, Magne; Grimstad, Stein & Grimstad, Stein (2008). Judgment-updating among software professionals, In Nazmul A. N. M. Hossain & Y Ouzrout (ed.), Proceedings of the International Conference on Software, Knowledge, Information Management and Applications. University of Bradford, School of Informatics. ISBN 9781851432516. SKIMA. s 62 - 67
- Grimstad, Stein & Jørgensen, Magne (2007). Inconsistency in Expert Judgment-based Estimates of Software Development Effort. Journal of Systems and Software. ISSN 0164-1212. 80(11), s 1770- 1777
- Grimstad, Stein & Jørgensen, Magne (2007). Inconsistency of expert judgment-based estimates of software development effort. Journal of Systems and Software. ISSN 0164-1212. 80, s 1770- 1777 . doi: 10.1016/j.jss.2007.03.001
- Jørgensen, Magne; Faugli, Bjørn & Gruschke, Tanja (2007). Characteristics of software engineers with optimistic prediction. Journal of Systems and Software. ISSN 0164-1212. 80(9), s 1472- 1482 Vis sammendrag
- Jørgensen, Magne; Faugli, Bjørn & Gruschke, Tanja Milijana (2007). Characteristics of software engineers with optimistic predictions. Journal of Systems and Software. ISSN 0164-1212. 80, s 1472- 1482 . doi: 10.1016/j.jss.2006.09.047
- Jørgensen, Magne & Grimstad, Stein (2007). The Impact of Irrelevant Information on Estimates of Software Development Effort, In Doug Grant (ed.), The Australian Software Engineering Conference. IEEE. ISBN 0-7695-2778-7. kap. s 359 - 368
- Sjøberg, Dag; Dybå, Tore & Jørgensen, Magne (2007). The Future of Empirical Methods in Software Engineering Research, In Lionel Briand & Alexander Wolf (ed.), Future of Software Engineering. IEEEE-CS. ISBN 0-7695-2829-5. chap. 8. s 358 - 378
- Grimstad, Stein & Jørgensen, Magne (2006). A Framework for the Analysis of Software Cost, In Jose Maldonado & Clas Wohlin (ed.), ISESE'2006 (Fifth ACM-IEEE International Symposium on Empirical Software Engineering. ACM Publications. ISBN 1-59593-218-6. Kapittel. s 58 - 65
- Jørgensen, Magne & Faugli, Bjørn (2006). Prediction of overoptimistic predictions. Electronic Workshops in Computing (eWiC). ISSN 1477-9358. s 2- 10 Vis sammendrag
- Jørgensen, Magne & Sjøberg, Dag (2006). Expert Estimation of Software Development Work, In Nazim Madhavji; Juan Fernandez-Ramli & Dewayne Perry (ed.), Software Evolution and Feedback: Theory and Practice. IEEE Press. ISBN 0-470-87180-6. Chap. 25. s 523 - 527
- Dybå, Tore; Kitchenham, B. & Jørgensen, Magne (2005). Evidence-based Software Engineering for Practitioners. IEEE Software. ISSN 0740-7459. 22(1), s 58- 65
- Grimstad, Stein; Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2005). The Clients' Impact on Effort Estimation Accuracy in Software Development Projects. Proceedings of the IEEE International Software Metrics Symposium (METRICS). ISSN 1530-1435.
- Gruschke, Tanja Milijana & Jørgensen, Magne (2005). Assessing Uncertainty of Software Development Effort Estimates:The Learning From Outcome Feedback, In Sandro Morasca (ed.), 11th IEEE International Software Metrics Symposium (METRICS 2005). IEEE. ISBN 0-7695-2371-4. Kapittel. s 1 - 10
- Jørgensen, Magne (2005). Evidence-Based Guidelines for Assessment of Software Development Cost Uncertainty. IEEE Transactions on Software Engineering. ISSN 0098-5589. 31(11), s 942- 954
- Jørgensen, Magne (2005). Practical guidelines for better support of expert judgement-based software effort estimation. IEEE Software. ISSN 0740-7459. 23(3), s 57- 63
- Jørgensen, Magne (2005). The "Magic Step" of Judgment-Based Software Effort Estimation, In B Kokinov (ed.), International Conference on Cognitive Economics. NBU Press. ISBN 954-535-404-6. Kapittel. s 105 - 114
- Jørgensen, Magne & Grimstad, Stein (2005). Over-optimism in Software Development Projects: ?The winner?s curse?, In Vicente Alarcon Aquino (ed.), 15th International Conference on Electronics, Communications and Computers (CONIELECOMP'05). IEEE. ISBN 07695-2283-1. Kapittel. s 280 - 285
- Jørgensen, Magne; Kitchenham, B. & Dybå, Tore (2005). Teaching Evidence-Based Software Engineering to University Students, In Sandro Morasca (ed.), 11th IEEE International Software Metrics Symposium (METRICS 2005). IEEE. ISBN 0-7695-2371-4. Kapittel.
- Jørgensen, Magne & Teigen, Karl Halvor (2005). Kan vi unngå at "så og si helt sikkert" bare betyr "60% sikkert"?. Prosjektledelse. ISSN 1500-0516. (2), s 29- 31
- Karahasanovic, Amela; Anda, Bente Cecilie D; Arisholm, Erik; Hove, SE; Jørgensen, Magne; Sjøberg, Dag & Welland, R. (2005). Collecting Feedback during Software Engineering Experiments. Empirical Software Engineering. ISSN 1382-3256. 10(2), s 113- 147
- Mair, C.; Shepperd, Martin & Jørgensen, Magne (2005). An Analysis of Data Sets Used to Train and Validate Cost Prediction Systems. Software engineering notes. ISSN 0163-5948. 30(4), s 1- 6
- Moløkken, Kjetil Johan & Jørgensen, Magne (2005). Expert Estimation of Web-Development Projects: Are Software Professionals in Technical Roles More Optimistic Than Those in Non-Technical Roles?. Empirical Software Engineering. ISSN 1382-3256. 10(1), s 7- 30
- Moløkken-Østvold, Kjetil Johan & Jørgensen, Magne (2005). A Comparison of Software Project Overruns – Flexible vs. Sequential Development Models. IEEE Transactions on Software Engineering. ISSN 0098-5589. 31(9), s 754- 766
- Moløkken-Østvold, Kjetil Johan; Jørgensen, Magne; Sørgaard, Pål & Grimstad, Stein (2005). Management of Public Software Projects: Avoiding Overruns, In Andrew Burge (ed.), Hawaiian International Conference on Business. Hawaii International Conference on Business. Kapittel.
- Jørgensen, Magne (2005). Practical guidelines for expert-judgement-based software effort estimation. IEEE Software. ISSN 0740-7459. 22
- Jørgensen, Magne; Kitchenham, Barbara & Dybå, Tore (2005). Teaching Evedence-Based Software Engineering to University Students, In Software Metrics, 2005. 11th IEEE interntional symposium. IEEE conference proceedings. s 11
- Teigen, Karl Halvor & Jørgensen, Magne (2005). When 90% confidence intervals are 50% certain: On the credibility of credible intervals. Applied Cognitive Psychology. ISSN 0888-4080. 19, s 455- 475 Vis sammendrag
- Jørgensen, Magne (2004). A Review of Studies on Expert Estimation of Software Development Effort. Journal of Systems and Software. ISSN 0164-1212. 70(1-2), s 37- 60
- Jørgensen, Magne (2004). Increasing Realism in Effort Estimation Uncertainty Assessments: It Matters How You Ask. IEEE Transactions on Software Engineering. ISSN 0098-5589. 30(4), s 209- 217
- Jørgensen, Magne (2004). Regression Models of Software Development Effort Estimation Accuracy and Bias. Empirical Software Engineering. ISSN 1382-3256. 9(4), s 297- 314
- Jørgensen, Magne (2004). Top-Down and Bottom-Up Expert Estimation of Software Development Effort. Information and Software Technology. ISSN 0950-5849. 46(1), s 1- 16
- Jørgensen, Magne & Carelius, G. J. (2004). An Empirical Study of Software Project Bidding. IEEE Transactions on Software Engineering. ISSN 0098-5589. 30(12), s 953- 969
- Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2004). Eliminating Over-Confidence in Software Development Effort Estimates, In F Bomarius & Iida Hajimu (ed.), Product Focused Software Process Improvement(PROFES 2004). Springer. ISBN 3-540-21421-6. Kapittel. s 174 - 184
- Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2004). Reasons for Software Effort Estimation Error: Impact of Respondent Role, Information Collection Approach, and Data Analysis Method. IEEE Transactions on Software Engineering. ISSN 0098-5589. 30(12), s 993- 1007
- Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2004). Reasons for Software Effort Estimation Error: Impact of Respondents Role, Information Collection Approach, and Data Analysis method. IEEE Transactions on Software Engineering. ISSN 0098-5589. 30(12), s 993- 1007
- Jørgensen, Magne & Sjøberg, Dag (2004). Generalization and Theory-Building in Software Engineering Research, In Stephen Linkman (ed.), Empirical Assessment in Software Engineering (EASE2004). IEEE. ISBN 0-7695-2163-0. Kapittel. s 29 - 36
- Jørgensen, Magne & Sjøberg, Dag (2004). The impact of customer expectation on software development effort estimates. International Journal of Project Management. ISSN 0263-7863. 22(4), s 317- 325
- Welde, Morten; Jørgensen, Magne; Larssen, Per Fridtjof & Halkjelsvik, Torleif (2019). Estimering av kostnader i store statlige prosjekter: Hvor gode er estimatene og usikkerhetsanalysene i KS2-rapportene?. Ex ante akademisk forlag. ISBN 978-82-93253-81-5. 96 s. Fulltekst i vitenarkiv.
- Halkjelsvik, Torleif & Jørgensen, Magne (2018). Time Predictions: Understanding and Avoiding Unrealism in Project Planning and Everyday Life. Springer. ISBN 978-3-319-74952-5. 122 s. Fulltekst i vitenarkiv.
- Jørgensen, Magne; Skrøvseth, Stein Olav & Storvik, Anne Grete (2020, 31. januar). Dette sier forskning om offentlige IT-prosjekter. [Internett]. Dagens Medisin.
- Filkukova, Petra & Jørgensen, Magne (2014). The effect of facial expression on evaluation of competence: Keep smiling!.
- Teigen, Karl Halvor; Jørgensen, Magne & Halberg, Anne-Marie (2006). The strange case of subjective uncertainty intervals.
- Grimstad, Stein & Jørgensen, Magne (2006). A Framework for the Analysis of Software Cost.
- Gruschke, Tanja Milijana & Jørgensen, Magne (2006). How much does feedback and performance review improve software development effort estimation? An Empirical Study.
- Gruschke, Tanja Milijana & Jørgensen, Magne (2006). To know or not to know: when does feedback lead to better assessment of uncertainty of own beliefs?.
- Jørgensen, Magne (2006). A Preliminary Model of Judgment-based Project Software Effort Predictions.
- Jørgensen, Magne (2006). Software Cost Estimation: When to Use Expert Judgment and When to Use Models.
- Jørgensen, Magne & Faugli, Bjørn (2006). Prediction of Optimistic Expert Judgment-Based Predictions.
- Jørgensen, Magne & Faugli, Bjørn (2006). Prediction of overoptimistic predictions. Vis sammendrag
- Grimstad, Stein; Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2005). The Clients' Impact on Effort Estimation Accuracy in Software Development Projects.
- Gruschke, Tanja Milijana & Jørgensen, Magne (2005). Assessing Uncertainty of Software Development Effort Estimates:The Learning From Outcome Feedback.
- Jørgensen, Magne (2005). The "Magic Step" of Judgment-Based Software Effort Estimation.
- Jørgensen, Magne & Grimstad, Stein (2005). Over-optimism in Software Development Projects: ?The winner?s curse?.
- Jørgensen, Magne & Gruschke, Tanja Milijana (2005). Industrial Use of Formal Software Cost Estimation Models: Expert Estimation in Disguise.
- Jørgensen, Magne; Kitchenham, B. & Dybå, Tore (2005). Teaching Evidence-Based Software Engineering to University Students.
- Teigen, Karl Halvor; Jørgensen, Magne & Halberg, Anne-Marie (2005). On the psychology of uncertainty intervals.
- Jørgensen, Magne & Moløkken-Østvold, Kjetil Johan (2004). Eliminating Over-Confidence in Software Development Effort Estimates.
- Jørgensen, Magne & Sjøberg, Dag (2004). Generalization and Theory-Building in Software Engineering Research.
- Kitchenham, B.; Dybå, Tore & Jørgensen, Magne (2004). Evidence-based Software Engineering.
Publisert 4. nov. 2010 14:00
- Sist endret 23. okt. 2012 14:06