The Robustness of Confidence Intervals for Coefficient Alpha under Violation of the Assumption of Essential Parallelism.

Barchard, Kimberly A.; Hakstian, A. Ralph

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Peer reviewed

ERIC Number: EJ554765

Record Type: Journal

Publication Date: 1997

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ISSN: ISSN-0027-3171

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The Robustness of Confidence Intervals for Coefficient Alpha under Violation of the Assumption of Essential Parallelism.

Barchard, Kimberly A.; Hakstian, A. Ralph

Multivariate Behavioral Research, v32 n2 p169-91 1997

Two studies, both using Type 12 sampling, are presented in which the effects of violating the assumption of essential parallelism in setting confidence intervals are studied. Results indicate that as long as data manifest properties of essential parallelism, the two methods studied maintain precise Type I error control. (SLD)

Descriptors: Error of Measurement, Robustness (Statistics), Sampling, Statistical Analysis

Publication Type: Journal Articles; Reports - Evaluative; Speeches/Meeting Papers

Education Level: N/A

Audience: N/A

Language: English

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