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Direct linkBilker, Warren B.; Brensinger, Colleen; Gur, Ruben C. – Multivariate Behavioral Research, 2004
Testing homogeneity of correlations with Fisher's Z is inappropriate when correlations are themselves correlated. Suppose measurements of brain activation and performance are taken before and during a verbal memory task. Of interest are changes in activity gradients in specific regions, R1, R2, R3, and performance, V. The "correlated correlations"…
Descriptors: Statistical Analysis, Interaction, Testing, Factor Analysis
