Early Software Product Improvement with Sequential Inspection Sessions: An Empirical Investigation of Inspector Capability and Learning Effects

D. Winkler, B. Thurnher, S. Biffl:
"Early Software Product Improvement with Sequential Inspection Sessions: An Empirical Investigation of Inspector Capability and Learning Effects";
Vortrag: Euromicro International Conference, L├╝beck Germany; 27.08.2007 - 31.08.2007; in:"33rd Euromicro SEAA", IEEE, 07/germany (2007), ISSN: 1089-6503; S. 245 - 254.

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Abstract:


Software inspection facilitates product improvement in
early phases of software development by detecting defects
in various types of documents, e.g., requirements and
design specifications. Empirical study reports show that
usage-based reading (UBR) techniques can focus inspectors
on most important use cases. However, the impact of
inspector qualification and learning effects in the context
of inspecting a set of documents in several sessions is still
not well understood. This paper contributes a model for
investigating the impact of inspector capability and
learning effects on inspection effectiveness and efficiency
in a large-scale empirical study in an academic context.
Main findings of the study are (a) the inspection technique
UBR better supported the performance inspectors
with lower experience in sequential inspection cycles
(learning effect) and (b) when inspecting objects of similar
complexity significant improvements of defect detection
performance could be measured