A Comparison of Computer Routines for the Calculation of the Tetrachoric Correlation Coefficient.

Froemel, Ernest C.

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Peer reviewed

ERIC Number: EJ041286

Record Type: Journal

Publication Date: 1971

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A Comparison of Computer Routines for the Calculation of the Tetrachoric Correlation Coefficient

Froemel, Ernest C.

Psychometrika, 36, 2, 165-74, Jun 71

Saunder's routine, Buhler's empirical approximation, and Castellan's series expansion are compared. Saunder's routine was identified as an acceptably accurate method. (PR)

Descriptors: Comparative Analysis, Computer Programs, Correlation, Factor Analysis, Mathematical Models, Research Methodology, Statistical Analysis

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