Cognitive factors in perspective-based reading (PBR): A protocol analysis study

Authors:
Bryan Robbins;Jeff Carver
Affiliations:
Department of Computer Science and Engineering Mississippi State University;Department of Computer Science University of Alabama
Venue:
ESEM '09 Proceedings of the 2009 3rd International Symposium on Empirical Software Engineering and Measurement
Year:
2009

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Abstract

The following study investigated cognitive factors involved in applying the Perspective-Based Reading (PBR) technique for defect detection in software inspections. Using the protocol analysis technique from cognitive science, the authors coded concurrent verbal reports from novice reviewers and used frequency-based analysis to consider existing research on cognition in software inspections from within a cognitive framework. The current coding scheme was able to describe over 98% of the cognitive activities reported during inspection at a level of detail capable of validating multiple hypotheses from literature. A number of threats to validity are identified for the protocol analysis method and the parameters of the current experiment. The authors conclude that protocol analysis is a useful tool for analyzing cognitively intense software engineering tasks such as software inspections.