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…

Introduction: Due to a considerable lack in empirical efforts and appropriate instruments, and theoretically rooted in a cognitive-motivational perspective on academic personality development, the present study analyzes a questionnaire for measuring EFL learners' self-perceptions of oral narrative competencies and perceived anxiety concerning oral…