Abstract
Self-efficacy, a central construct of the Bandura social cognitive theory, formed the background for developing a measure of adolescent health expectations, the School Health Efficacy Questionnaire. The scale taps perceived self-efficacy in both physical and mental health. It showed strong factorial validity, although the factor structure is somewhat different for males and females. Subscales derived from the factor analyses gave high reliabilities. A series of MANOVAs and multiple regressions produced results predicted from self-efficacy theory, and supported the instrument's construct validity. Because low efficacy expectations may lead to self-harmful behaviors, such as poor personal relationships or substance abuse, health educators should consider ways to enhance adolescent appraisals of their capabilities.
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