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Sayer, Aline G.; Willett, John B. – Multivariate Behavioral Research, 1998
Longitudinal data from a school-based alcohol-prevention trial involving 385 girls and 353 boys were used to show how a model using individual growth modeling and a covariance structure approach can investigate relationships among individual changes in two domains (positive and negative alcohol expectancies). Advantages of the approach are…
Descriptors: Adolescents, Age Differences, Child Development, Drinking

Tomer, Adrian; Cunningham, Walter R. – Multivariate Behavioral Research, 1993
Structure of measures of speed was studied by conducting simultaneous confirmatory factor analysis for 1 sample of 149 elderly adults and a sample of 147 young adults using 16 measures of speed. Five first-order factors of speed were found, as hypothesized, and three second-order speed factors were necessary. (SLD)
Descriptors: Age Differences, Cognitive Processes, Comparative Analysis, Factor Structure