ISSN: 1945-7553
CODEN: JTEVAB
Page Count: 5

Models and Interactions

Mandel, J
Guest Researcher, National Institute of Standards and Technology, Gaithersburg, MD

(Received 22 June 1990; accepted 21 February 1991)

Abstract

It is shown that the usual analysis-of-variance model with interaction terms can be a hindrance to the understanding of data rather than a useful tool. An alternative model, especially useful for the analysis of interlaboratory test data, is discussed. However, the best treatment of certain types of data is obtained by an analysis that involves minimal prior assumptions. An example is discussed that illustrates the thesis of this paper.

Keywords:
analysis of variance, interactions, interlaboratory testing, linear model

Paper ID: JTE12593J
DOI: 10.1520/JTE12593J
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