The Impact of Response Measurement Error on the Analysis of Designed Experiments

The Impact of Response Measurement Error on the Analysis of Designed Experiments

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Article ID: iaor20163996
Volume: 32
Issue: 7
Start Page Number: 2415
End Page Number: 2433
Publication Date: Nov 2016
Journal: Quality and Reliability Engineering International
Authors: , ,
Keywords: experiment, statistics: experiment, optimization, measurement, testing
Abstract:

This article considers the analysis of designed experiments when there is measurement error in the true response or so‐called response measurement error. We consider both additive and multiplicative response measurement errors. Through a simulation study, we investigate the impact of ignoring the response measurement error in the analysis, that is, by using a standard analysis based on t‐tests. In addition, we examine the role of repeat measurements in improving the quality of estimation and prediction in the presence of response measurement error. We also study a Bayesian approach that accounts for the response measurement error directly through the specification of the model, and allows including additional information about variability in the analysis. We consider the impact on power, prediction, and optimization.

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