Repetitive testing strategies when the testing process is imperfect

Repetitive testing strategies when the testing process is imperfect

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Article ID: iaor2000850
Country: United States
Volume: 44
Issue: 10
Publication Date: Oct 1998
Journal: Management Science
Authors: , ,
Keywords: quality & reliability
Abstract:

This paper considers the problem of test design and implementation when testing is imperfect. Items that are classified as conforming may be nonconforming, resulting in a poor outgoing quality level. Items that are classified as nonconforming may be conforming, resulting in excessive scrapping of conforming items. The failed items are commonly retested to reduce the scrapping problem. Alternatively, the accepted items may be retested to improve outgoing quality. In this paper, we examine the question of whether it is better to repetitively test rejected items, or to repetitively test accepted items. We also examine the relationship between the two testing policies, testing equipment accuracy and capacity, incoming quality, and outgoing quality requirements.

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