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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