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<p><b>Abstract</b>—Protocol Analysis is a valuable tool for gaining qualitative data from observations of programmer behavior during software maintenance. However, there are some major drawbacks with Protocol Analysis as it is currently practiced. Firstly, Protocol Analysis requires a daunting amount of effort at each stage of analysis. Secondly, the results from one Protocol Analysis are often difficult to compare with results from another. This paper describes a coding scheme, AFECS, designed to reduce the effort required to perform Protocol Analysis and to resolve the problem of noncomparable results. AFECS uses codes that consist of expandable and flexible segments. This allows AFECS to be tailored to the requirements of a variety of research studies, while maintaining a degree of consistency. Explicit segmentation also makes AFECS easy to use. An example shows AFECS' use and ability to adapt to diverse research questions.</p>
Software maintenance, program comprehension, protocol analysis.
Stephen Lang, Anneliese von Mayrhauser, "A Coding Scheme to Support Systematic Analysis of Software Comprehension", IEEE Transactions on Software Engineering, vol. 25, no. , pp. 526-540, July/August 1999, doi:10.1109/32.799950
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