Improvement of Design Specifications with Inspection and Testing
EUROMICRO '05 Proceedings of the 31st EUROMICRO Conference on Software Engineering and Advanced Applications
Proceedings of the Second ACM-IEEE international symposium on Empirical software engineering and measurement
Investigating the impact of active guidance on design inspection
PROFES'05 Proceedings of the 6th international conference on Product Focused Software Process Improvement
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Inspection is an important approach to reduce defects in software engineering artifacts. Reading techniques such as Usage-Based Reading (UBR) can focus inspector attention on specific types of defects (missing and wrong information) and specific defect severity classes (critical, important and not important defects). For empirical investigation the replication of experiments can help increase the confidence in results. This paper presents a large-scale external experiment replication in the UBR family of experiments in an academic environment. Additionally to experiment replication we introduce a new reading technique variant UBR-ir to investigate the impact of expert know-how with ranking of use cases on the number and severity of defects found. Main results of the study are: (a) UBR expert know-how had significant effects on inspection effort distribution, effectiveness, and efficiency; (b) the share of false positives was higher for checklist-based reading (CBR) than for all UBR variants; and (c) both UBR variants perform significantly better than CBR, possibly due to the active guidance of use cases.