Psychometric Characteristics of Academic Locus of Control Scale (ALCS) in High School Students

The purpose of present study was to investigate the psychometric characteristics of academic locus of control scale (ALCS) in high school students. The population of the study includes all high school students of Ardakan and Meybod city. A total of 604 students were selected by categorical random sampling. The data gathered by academic locus of control, E-I locus of control scale and grade point average, and then analyzed by Correlation analysis, confirmatory factor analysis and independent t-test. The results showed that Face and content validity of the scale were confirmed. ALCS had a significant convergent validity with Rotter’s locus of control scale and grade point average (p<.01). The ALCS discriminated between students with high grade point average from those with low grade point average. Investigating of construct validity of ALCS showed one factor structure of the scale was confirmed. Test-retest reliability after a two week interval and Kuder-Richardson alpha coefficient of the ALCS were .83 (p<.01) and .71 respectively. With regarding the results can concluded that Persian version of ALCS has appropriate validity and reliability in participants of present study.