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Issue No. 04 - July/August (2008 vol. 34)
ISSN: 0098-5589
pp: 434-451
Jonathan Sillito , University of Calgary, Calgary
Gail C. Murphy , University of British Columbia, Vancouver
Kris De Volder , University of British Columbia, Vancouver
Little is known about the specific kinds of questions programmers ask when evolving a code base and how well existing tools support those questions. To better support the activity of programming, answers are needed to three broad research questions: (1) what does a programmer need to know about a code base when evolving a software system? (2) how does a programmer go about finding that information? and (3) how well do existing tools support programmer?s in answering those questions? We undertook two qualitative studies of programmers performing change tasks to provide answers to these questions. In this paper, we report on an analysis of the data from these two user studies. This paper makes three key contributions. The first contribution is a catalog of 44 types of questions programmers ask during software evolution tasks. The second contribution is a description of the observed behavior around answering those questions. The third contribution is a description of how existing deployed and proposed tools do, and do not, support answering programmers' questions.
Software psychology, Programming Environments/Construction Tools, Enhancement

J. Sillito, G. C. Murphy and K. De Volder, "Asking and Answering Questions during a Programming Change Task," in IEEE Transactions on Software Engineering, vol. 34, no. , pp. 434-451, 2008.
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