ERIC Number: EJ1019684
Record Type: Journal
Publication Date: 2013-Nov
Abstractor: As Provided
Reference Count: 36
The Utility of Person-Specific Analyses for Investigating Developmental Processes: An Analytic Primer on Studying the Individual
Gayles, Jochebed G.; Molenaar, Peter C. M.
International Journal of Behavioral Development, v37 n6 p549-562 Nov 2013
The fields of psychology and human development are experiencing a resurgence of scientific inquiries about phenomena that unfold at the level of the individual. This article addresses the issues of analyzing intraindividual psychological/developmental phenomena using standard analytical techniques for interindividual variation. When phenomena are characterized by intraindividual variation, analyses must be done at the level of the individual. Research on these processes generally uses methods analyzing interindividual variation, rather than intraindividual, however, a noteworthy fundamental difference exists between the two. The current article provides theoretical and empirical illustrations of the fundamental contrast between variation within subjects and variation between subjects. First, we explain this distinction through the classical ergodic theorems. Next, we discuss the utility of analysis of intraindividual variation for developmental processes. We then provide an empirical example, using recently-developed methods for analyzing person-specific developmental processes. This article presents for the first time a methodological approach in which first the factor model is determined by exploratory and confirmatory P-technique, and then in a separate second phase the dynamic model for the latent factor series is determined.
Descriptors: Individual Development, Individual Differences, Developmental Psychology, Factor Analysis, Statistical Analysis, Systems Approach, Structural Equation Models, Factor Structure, Correlation, Females, Pregnancy, Psychological Patterns
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Publication Type: Journal Articles; Reports - Research
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