Tetrachoric Correlation: A Permutation Alternative

Michael Long, Kenneth Berry, Paul Mielke

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

An exact permutation test is provided for the tetrachoric correlation coefficient. Comparisons with the conventional test employing Student’s t distribution demonstrate the necessity of using the permutation approach for small sample sizes and/or disproportionate marginal frequency totals.
Original languageEnglish
Pages (from-to)429-437
JournalEducational and Psychological Measurement
Volume69
Issue number3
DOIs
Publication statusPublished - Jun 2009

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