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| Psychological Methods | 1 |
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| Cook, Samantha R. | 1 |
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Direct linkCook, Samantha R. – Psychological Methods, 2004
L. V. Hedges and I. Olkin (1985) presented a statistic to test for homogeneity among correlated effect sizes and L. J. Gleser and I. Olkin (1994) presented a large-sample approximation to the covariance matrix of the correlated effect sizes. This article presents a more exact expression for this covariance matrix, assuming normally distributed…
Descriptors: Schizophrenia, Control Groups, Effect Size, Statistical Analysis
