Juha Itkonen

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Journal Articles

Laukkanen, Eero, Juha Itkonen, and Casper Lassenius. 2017. “Problems, Causes and Solutions When Adopting Continuous delivery—A Systematic Literature Review.Information and Software Technology 82 (February): 55–79. doi:10.1016/j.infsof.2016.10.001. (Open access link)

Itkonen, J., M. V. Mäntylä, and C. Lassenius. 2016. “Test Better by Exploring: Harnessing Human Skills and Knowledge.IEEE Software 33 (4): 90–96. doi:10.1109/MS.2015.85. (preprint PDF)

Lehtinen, T. O. A., Itkonen, J., Lassenius, C., 2016. "Recurring opinions or productive improvements—what agile teams actually discuss in retrospectives", Empirical Software Engineering, In press. doi: 10.1007/s10664-016-9464-2 (link to open access)

Lehtinen, Timo O. A., Mika V. Mäntylä, Juha Itkonen, and Jari Vanhanen. 2015. “Diagrams or Structural Lists in Software Project Retrospectives – An Experimental Comparison”, Journal of Systems and Software 103 (May): 17–35. doi:10.1016/j.jss.2015.01.020. (link to publisher's site)

Leppänen, Marko, Simo Mäkinen, Veli-Pekka Eloranta, Juha Itkonen, Mika V. Mäntylä, and Tomi Männistö. 2015. “The Highways and Country Roads to Continuous Deployment”, IEEE Software, 32(2): 64-72. doi:10.1109/MS.2015.50 (link to publisher's site)

Kupiainen, Eetu, Mika V. Mäntylä, and Juha Itkonen. 2015. “Using Metrics in Agile and Lean Software Development – A Systematic Literature Review of Industrial Studies.” Information and Software Technology 62 (June): 143–63. doi:10.1016/j.infsof.2015.02.005. (link to publisher's site)

Afzal, W., Ghazi, N., Itkonen, J., Torkar, R., Andrews, A. Bhatti, K., 2014. "An Experiment on the Effectiveness and Efficiency of Exploratory Testing",  Empirical Software Engineering. 20 (3): 844-878. DOI:10.1007/s10664-014-9301-4.(link to publisher's site)

Itkonen, Juha, and Mika V. Mäntylä. 2014. “Are Test Cases Needed? Replicated Comparison between Exploratory and Test-Case-Based Software Testing”, Empirical Software Engineering 19 (2): 303–42. doi:10.1007/s10664-013-9266-8. ( link  to publisher's site)

Mäntylä, M. V. and Itkonen J. , 2014. "How Are Software Defects Found? The Role of Implicit Defect Detection, Individual Responsibility, Documents, and Knowledge",   Information and Software Technology, vol. 56, issue 12, pp. 1597–1612 doi:10.1016/j.infsof.2013.12.005 (link to publisher's site)

Lehtinen, T. O. A., Mäntylä, M. V., Vanhanen, J., Itkonen, J., Lassenius, C., 2014. "Perceived Causes of Software Project Failures - An Analysis of their Relationships", Information and Software Technology,  vol. 56, issue 6, pp. 623-643. doi:10.1016/j.infsof.2014.01.015 (link  to publisher's site)

Itkonen, J., Mäntylä, M.V. & Lassenius, C., 2013. "The Role of the Tester’s Knowledge in Exploratory Software Testing",  IEEE Transactions on Software Engineering , 39(5), pp.707–724. doi:10.1109/TSE.2012.55 (link to publisher's site)

Mäntylä M. V. and Itkonen J., 2013. " More testers – The effect of crowd size and time restriction in software testing", Information and Software Technology , vol. 55(6), pp. 986–1003doi:10.1016/j.infsof.2012.12.004 (link  to publisher's site) ( details and pdf )

Mäntylä, M. V., Itkonen, J., Iivonen, J., 2012. "Who Tested My Software? Testing as an Organizationally Cross-Cutting Activity", Software Quality Journal, vol. 20(1), pp. 145-172. doi:10.1007/s11219-011-9157-4 (link open access)

Itkonen, J., K. Rautiainen and C. Lassenius, 2005. "Toward an Understanding of Quality Assurance in Agile Software Development", in International Journal of Agile Manufacturing, vol. 8(2), pp. 39-49.

Articles in Conference Proceedings

Juha Itkonen, Raoul Udd, Casper Lassenius, and Timo Lehtonen. 2016. “Perceived Benefits of Adopting Continuous Delivery Practices.” In Proceedings of 10th International Symposium on Empirical Software Engineering and Measurement. Ciudad Real, Spain. 

Eero Laukkanen, Timo O. A. Lehtinen, Juha Itkonen, Maria Paasivaara, and Casper Lassenius. 2016. “Bottom-up Adoption of Continuous Delivery in a Stage-Gate Managed Software Organization.” In Proceedings of 10th International Symposium on Empirical Software Engineering and Measurement. Ciudad Real, Spain.

Lehtinen, Timo O.A., Risto Virtanen, Ville T. Heikkila, and Juha Itkonen. 2015. “Why the Development Outcome Does Not Meet the Product Owners’ Expectations?” In Agile Processes in Software Engineering and Extreme Programming (XP2015), Lecture Notes in Business Information Processing, vol 212, pp. 93-104.

Leppänen, Marko, Simo Mäkinen, Juha Itkonen, Jesse Yli-Huumo, and Timo Lehtonen. 2015. “Decision-Making Framework for Refactoring.” In IEEE 7th International Workshop on Managing Technical Debt (MTD), pp. 61–68.

Huuhtanen, Timo, Juha Itkonen, and Casper Lassenius. 2015. “Combining Algebraic and Domain Testing to Design Adequate Test Cases for Signal Processing Algorithms.” In Proceedings of the 8th IEEE International Conference on Software Testing, Verification and Validation. Accepted.

Dingsøyr, Torgeir, Tor Erlend Fægri, and Juha Itkonen. 2014. “What Is Large in Large-Scale? A Taxonomy of Scale for Agile Software Development.” In Product-Focused Software Process Improvement, edited by Andreas Jedlitschka, Pasi Kuvaja, Marco Kuhrmann, Tomi Männistö, Jürgen Münch, and Mikko Raatikainen, 273–76. Lecture Notes in Computer Science 8892. Springer International Publishing. (link to publisher's site)

Kupiainen, E., Mäntylä M. V., Itkonen J., " Why are industrial agile teams using metrics and how do they use them? ", in Proceedings of   5th International Workshop on Emerging Trends in Software Metrics (WeTSOM 2014) (ICSE workshop), June 3, 2014, Hyderabad, India.

Iivonen J., Mäntylä M. V., Itkonen J., "Characteristics of High Performing Testers – A Case Study", poster in Proceedings of the fourth International Symposium on Empirical Software Engineering and Measurement 2010. (pdf)

Itkonen J, M. V. Mäntylä and C. Lassenius. "How Do Testers Do It? An Exploratory Study on Manual Testing Practices", International Symposium on Empirical Software Engineering and Measurement, 2009. (pdf)

Vanhanen J, J. Itkonen and M.V. Mäntylä. "Lightweight Elicitation and Analysis of Software Product Quality Goals - A Multiple Industrial Case Study", in Proceedings of 3rd International Workshop on Software Product Management, pp. 42-52, 2009. (pdf )

Itkonen, J., M. V. Mäntylä and C. Lassenius. "Defect Detection Efficiency: Test Case Based vs. Exploratory Testing", in proceedings of the International Symposium on Empirical Software Engineering and Measurement, pp. 61-70, 2007. (pdf)

Itkonen, J. and K. Rautiainen. "Exploratory Testing: A Multiple Case Study", in Proceedings of the International Symposium on Empirical Software Engineering (ISESE 2005), pp. 84-93, 2005. (pdf)

Itkonen, J., K. Rautiainen and C. Lassenius. "Towards Understanding Quality Assurance in Agile Software Development", in Proceedings of the International Conference on Agility, pp. 201-207, 2005. (pdf)

Vanhanen, J., J. Itkonen and P. Sulonen. "Improving the Interface Between Business and Product Development Using Agile Practices and the Cycles of Control Framework", in Proceedings of Agile Software Development Conference, pp. 71-80, 2003. (pdf)

Pyhäjärvi, M., K. Rautiainen and J. Itkonen. "Increasing Understanding of the Modern Testing Perspective in Software Product Development Projects", in Proceedings of HICSS-36, 2003.

Academic Theses

Itkonen J., "Empirical Studies on Exploratory Software Testing", Doctoral dissertation, Aalto University School of Science, Novembr 2011. (summary pdf) (pdf)

Itkonen, J. "Do test cases really matter? An experiment comparing test case based and exploratory testing". Licentiate Thesis. Helsinki University of Technology, 2008. (pdf)


Itkonen, J. "Quality Assurance", chapter in Pacing Software Product Development: A Framework and Practical Implementation Guidelines. eds. Rautiainen, K., and C. Lassenius. Helsinki University of Technology Software Business and Engineering Institute Technical Reports 3, pp. 77-106. Helsinki, 2004.

In Finnish

Itkonen J. "Tutkimuksen ja käytännön välisen kuilun partaalla - Mitä oikeastaan tiedämme testauksesta tutkimustiedon perusteella?", Systeemityö, vol 13(4), pp. 12-15, 2006.

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