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Teachers' Grade Assignment and the Predictive Validity of Criterion-Referenced Grades
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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
Adapting Conceptual Models for Cross-Cultural Applications
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Perleth, Christoph; Heller, Kurt A. – Educational Research and Evaluation, 2007
It is of major importance to use psychological tests and questionnaires that are carefully constructed so that their reliability and validity can be determined in different (sub)cultures (Campbell & Tirri, 2004). However, a necessary prerequisite for this is the development of solid conceptual constructs. Otherwise, the researcher runs into the…
Descriptors: Psychological Studies, Research Methodology, Psychometrics, Models
Contextual Factors at the School and Classroom Level Related to Pupils' Performance in Mathematics in South Africa
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Howie, Sarah J. – Educational Research and Evaluation, 2005
South African pupils performed well below the TIMSS international average in 1995 and 1999 and significantly below all other countries (including the other African countries) in the 1999 study. Path analysis, namely Partial Least Square (PLS) analysis, was applied to the South African TIMSS-R data to explore the effect of contextual factors at…
Descriptors: Foreign Countries, Class Size, Mathematics Achievement, Context Effect