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Direct linkBergman, 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
