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Hellström, Lisa; Beckman, Linda; Hagquist, Curt – Journal of School Violence, 2013
The current study examined concordance and discordance between a measure of bullying and measures of peer aggression with respect to the number of students identified as victims. Swedish adolescents (N = 1,760) completed a web-based questionnaire. A measure of bullying and measures of peer aggression were compared in order to elucidate the unique…
Descriptors: Victims, Peer Relationship, Bullying, Aggression
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Thorsen, Cecilia; Cliffordson, Christina – Educational Research and Evaluation, 2012
Research has found that grades are the most valid instruments for predicting educational success. Why grades have better predictive validity than, for example, standardized tests is not yet fully understood. One possible explanation is that grades reflect not only subject-specific knowledge and skills but also individual differences in other…
Descriptors: Grades (Scholastic), Predictive Validity, Grading, Criteria