Error Probabilities in Educational and Psychological Research.

Westermann, Rainer; Hager, Willi

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Peer reviewed

ERIC Number: EJ350191

Record Type: Journal

Publication Date: 1986

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Error Probabilities in Educational and Psychological Research.

Westermann, Rainer; Hager, Willi

Journal of Educational Statistics, v11 n2 p117-46 Sum 1986

The well-known problem of cumulating error probabilities is reconsidered from a general epistemological perspective, namely, the concepts of severity and of fairness of tests. It is shown that not only Type 1 but also Type 2 errors can cumulate. A new adjustment strategy is proposed and applied. (Author/JAZ)

Descriptors: Educational Research, Error of Measurement, Hypothesis Testing, Measurement Techniques, Probability, Research Problems, Statistical Studies, Test Theory

Publication Type: Journal Articles; Reports - Research

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Language: English

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