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Ferguson, Christopher J.; Donnellan, M. Brent – Developmental Psychology, 2014
Zimmerman, Christakis, and Meltzoff (2007) reported that exposure to Baby Einstein videos was negatively associated with language development. The current study uses the Zimmerman et al. (2007) data set to replicate and extend the original analyses. Caregivers of 392 children aged 6 to 16 months and 358 children aged 17 to 27 months reported on…
Descriptors: Language Acquisition, Replication (Evaluation), Caregivers, Predictor Variables

McCall, Robert B.; Appelbaum, Mark I. – Developmental Psychology, 1991
Discusses procedures and considerations involved with secondary analyses of longitudinal databases. Procedures involve (1) formulating questions; (2) creating a feasibility matrix; (3) reformulating questions; (4) creating derived variables; (5) performing data reduction; (6) analyzing data; and (7) interpreting results. Problems associated with…
Descriptors: Data Analysis, Developmental Psychology, Longitudinal Studies, Predictor Variables