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Jonathan Arthur Schmidt; Gisa Aschersleben; Anne Henning – International Journal of Behavioral Development, 2025
In this longitudinal study, we investigated the factor structure and stability of early-life temperament in a German sample, using three measures developed within Rothbart's psychobiological approach. Temperament was measured using the Infant Behavior Questionnaire Revised (IBQ-R) at the ages of 6 and 12 months, the Early Childhood Behavior…
Descriptors: Foreign Countries, Personality, Personality Measures, Infants
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Kim, Sooyeon; Brody, Gene H.; Murry, Velma McBride – Journal of Early Adolescence, 2003
Applied confirmatory factor analysis in a test of alternative factor models and measurement invariance across gender groups, using data from the Early Adolescent Temperament Questionnaire focusing on shyness, high-intensity pleasure, activity level, attention, irritability, and fear. Found that factor models based on composite indicators showed…
Descriptors: Early Adolescents, Factor Structure, Models, Personality