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Bilker, 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
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Al-Namlah, Abdulrahman S.; Fernyhough, Charles; Meins, Elizabeth – Developmental Psychology, 2006
Cross-national stability in private speech (PS) and short-term memory was investigated in Saudi Arabian (n=63) and British (n=58) 4- to 8-year-olds. Assumed differences in child-adult interaction between the 2 nationality groups led to predictions of Gender ? Nationality interactions in the development of verbal mediation. British boys used more…
Descriptors: Sociocultural Patterns, Gender Differences, Cognitive Processes, Foreign Countries