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Pair Programming Re-Design

Speaker  Larry Leifer and Jan Chong

Affiliation  Stanford Center for Design Research, Hasso Plattner Institute of Design

Host  Jim Larus, John Spencer

Duration  01:22:40

Date recorded  20 March 2006

Several academic and industry studies have documented substantial improvements in code design and defect rate when programs are written by pairs of programmers (two people working shoulder-to-shoulder at a single computer) versus individual programmers working independently (solo). Collateral benefits are reported to include improved morale and project knowledge shared efficiently across the development team in a manner that improves productivity in subsequent development cycle.

In our initiative to better understand and manage pair-programming phenomena, this study examines professional pair-programming practices in detail to understand when, how, and when pair programming is most effective. The presentation shares preliminary findings from Phase-1 of the project, a six month ethnographic observation of professional programmers working in pairs using eXtreme Programming software development methodology. Based on fieldwork, we present six hypotheses about the social and cognitive mechanisms that appear to drive pair programming success. We also present the design of a controlled lab experiment under development to test the hypotheses. We are particularly eager to discuss the findings and refine forthcoming experiments.

Pair Programming Re-Design will be presented from the design-thinking-research perspective of the new Hasso Plattner Institute of Design at Stanford (the An introduction to the is included.

©2006 Microsoft Corporation. All rights reserved.
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> Pair Programming Re-Design