A Method for Improving Overlapping of Testing and Design

Khadija Tahera, Chris Earl, Claudia Eckert

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Testing is a critical activity in product development. The academic literature provides limited insight about overlapping between upstream testing and downstream design tasks, especially in considering the qualitative differences between activities that are overlapped. In general, the existing literature treats two overlapped sequential activities as similar, and suggests optimal overlapping policies, techniques, and time-cost assessment. However, this case study-based research identifies that the overlapping of upstream testing with downstream design activities has different characteristics than the overlapping of two design activities. This paper first analyzes the characteristics that affect the overlapping of upstream testing and downstream design activities, and then proposes a method to reduce the time of rework in cases where the upstream testing is overlapped with subsequent redesign phases.

Original languageEnglish
Article number7852529
Pages (from-to)179-192
Number of pages14
JournalIEEE Transactions on Engineering Management
Issue number2
StatePublished - May 2017
Externally publishedYes


  • Overlapping
  • process improvement
  • product development process (PDP)
  • simulation
  • testing
  • virtual testing


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