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Jelicic, Helena; Phelps, Erin; Lerner, Richard M. – Developmental Psychology, 2009
Developmental science rests on describing, explaining, and optimizing intraindividual changes and, hence, empirically requires longitudinal research. Problems of missing data arise in most longitudinal studies, thus creating challenges for interpreting the substance and structure of intraindividual change. Using a sample of reports of longitudinal…
Descriptors: Statistical Analysis, Data Collection, Developmental Psychology, Longitudinal Studies