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Lerner, Richard M.; Schwartz, Seth J.; Phelps, Erin – Human Development, 2009
Studying human development involves describing, explaining, and optimizing intraindividual change and interindividual differences in such change and, as such, requires longitudinal research. The selection of the appropriate type of longitudinal design requires selecting the option that best addresses the theoretical questions asked about…
Descriptors: Individual Development, Longitudinal Studies, Research Methodology, Research Design
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Mumford, M.D.; Owens, W.A. – Human Development, 1984
Determines patterns of differential human development in a longitudinal study of 417 male and 358 female college students ages 18 to 30. Findings suggest individuality in development is associated with significant qualitative individual differences that are best described on a cross-time basis. (BJD)
Descriptors: Adult Development, Classification, Cohort Analysis, Individual Development