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Age Differences1
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Early-Life Temperament: A Longitudinal Investigation of Stability and Structure
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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