Do programmer pairs make different mistakes than solo programmers?

  • Authors:
  • Matthias M. Müller

  • Affiliations:
  • Fakultät für Informatik, Universität Karlsruhe, Karlsruhe

  • Venue:
  • EASE'06 Proceedings of the 10th international conference on Evaluation and Assessment in Software Engineering
  • Year:
  • 2006

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Abstract

Objective: Comparison of program defects caused by programmer pairs and solo developers. Design: Analysis of programs developed during two counter balanced experiments. Setting: Programming lab at University. Experimental Units: 42 programs developed by computer science students participating in an extreme programming lab course. Main Outcome Measures: Programmer pairs make as many algorithmic mistakes but fewer expression mistakes than solo programmers. Results: The second result is significant on the 5 percent level. Conclusions: For simple problems, pair programming seems to lead to fewer mistakes than solo programming.