The purpose of this study was to develop the School-Age Temperament Inventory (SATI) as a parental report of children ages 8-11 years. Based on previous studies of temperament in children, four empirically derived dimensions were proposed: task persistence, negative reactivity, approach/withdrawal, and energy. Parent informants included 435 mothers and 228 of their spouses. Principal factor analysis with varimax rotation supported, in general, the empirically derived dimensions. The validity and reliability of the SATI was then evaluated. Cronbach's alphas were .85 to.90. Correlations between maternal and paternal reports were.51 to.68. Test-retest reliability was.80 to.89. The impact of gender and age was minimal. Convergent validity was evaluated by comparing the SATI with another temperament questionnaire designed for preschool children. Although continued development is recommended, the SATI appears to have adequate validity and reliability for use in research and structured parenting programs.
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