This study sought to develop a short version of the ADSI, and investigate its psychometric properties. Methods: This is a secondary analysis. Analysis to determine the Cronbach's Alpha, correlations to determine concurrent criterion validity and known instrument validity and a logistic regression to determine predictive validity were conducted.…

Offering an online integrated high-school course or subject for the first time involves many challenges. Better understanding the factors that affect students' willingness to participate in the experience could provide support for better implementation of such a strategic initiative. In addition, it is important to understand how personal factors…

Observational methods are increasingly being used in classrooms to evaluate the quality of teaching. Operational procedures for observing teachers are somewhat arbitrary in existing measures and vary across different instruments. To study the effect of different observation procedures on score reliability and validity, we conducted an experimental…

This paper describes a revised measure of self-efficacy to overcome barriers to moderate and vigorous physical activity in a sample of 484 high school students in Toronto, Ontario. The students had a mean age of 15.3 years. Principal axis factoring with oblique rotation yielded five factors: self-efficacy to overcome internal, harassment, physical…

This study examines the relationships of vocational interests and mathematical literacy both cross-sectionally and longitudinally. Extending previous research, the results of Holland's RIASEC (Realistic, Investigative, Artistic, Social, Enterprising, and Conventional) scale scores are compared with results from a reductionist approach using…

This study examined outcomes associated with participation in a program, Preparing for the ACT, designed to enhance student performance (N = 126) on the ACT college entrance exam. This targeted intervention was implemented as part of a three-tiered model of positive behavior support. Results of descriptive analyses revealed that only academic…

Based on a sample of eleventh grade students from different ethnic backgrounds, (1) a reading test was a more valid predictor of academic success than academic self-concept; (2) aspiration and academic interest were valid predictors of school achievements; and (3) a combination of cognitive and affective measures was the most valid predictor.…

This investigation is an extension of TM 506 002. A factor analysis of the intercorrelations of academic self-concept and reading scores revealed three factors: Academic Achievement, Positive Academic Affect, and Anxiety. The results also showed that the factor structure served to explain the criterion-related validity coeffecients obtained in the…