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Bergman, Lars R.; Nurmi, Jari-Erik; von Eye, Alexander A. – International Journal of Behavioral Development, 2012
I-states-as-objects-analysis (ISOA) is a person-oriented methodology for studying short-term developmental stability and change in patterns of variable values. ISOA is based on longitudinal data with the same set of variables measured at all measurement occasions. A key concept is the "i-state," defined as a person's pattern of variable…
Descriptors: Classification, Statistical Analysis, Structural Equation Models, Sample Size
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He, Jie; Qiu, Peihua; Park, Ka Young; Xu, Qinmei; Potegal, Michael – International Journal of Behavioral Development, 2013
A hierarchical cluster analysis of the time course of the videotaped reactions of 75 Chinese 2-4-year olds to mothers' toy-removal identified Distress, Low Anger, and High Anger behavior clusters. Anger often begins at low intensity; some children then escalate. The face-validity of Low and High Anger-cluster classifications was supported in that…
Descriptors: Young Children, Multivariate Analysis, Toys, Emotional Disturbances
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Suranyi, Zsuzsanna; Hitchcock, David B.; Hittner, James B.; Vargha, Andras; Urban, Robert – International Journal of Behavioral Development, 2013
Previous research on sensation seeking (SS) was dominated by a variable-oriented approach indicating that SS level has a linear relation with a host of problem behaviors. Our aim was to provide a person-oriented methodology--a probabilistic clustering--that enables examination of both inter- and intra-individual differences in not only the level,…
Descriptors: Personality Traits, Behavior Problems, Conceptual Tempo, Individual Differences