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Jose, Paul E. – Educational Psychologist, 2016
Many of the mediation analyses reported in the literature are based on concurrent or single-occasion data sets. The 2 overarching themes of the present article are: Results of concurrent mediations are inherently ambiguous, and researchers would be wise to conduct mediations on longitudinal data sets instead. An example included here demonstrates…
Descriptors: Longitudinal Studies, Statistical Analysis, Models, Educational Psychology
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Harring, Jeffrey R.; Hodis, Flaviu A. – Educational Psychologist, 2016
Model-based clustering methods, commonly referred to as finite mixture modeling, have been applied to a wide variety of cross-sectional and longitudinal data to account for heterogeneity in population characteristics. In this article, we elucidate 2 such approaches: growth mixture modeling and latent profile analysis. Both techniques are…
Descriptors: Educational Psychology, Multivariate Analysis, Statistical Analysis, Models