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Direct linkHuang, Chiungjung – Educational and Psychological Measurement, 2009
This study examined the percentage of task-sampling variability in performance assessment via a meta-analysis. In total, 50 studies containing 130 independent data sets were analyzed. Overall results indicate that the percentage of variance for (a) differential difficulty of task was roughly 12% and (b) examinee's differential performance of the…
Descriptors: Test Bias, Research Design, Performance Based Assessment, Performance Tests
Peer reviewedFralicx, Rodney D.; Raju, Nambury S. – Educational and Psychological Measurement, 1982
Five weighting methods for combining multiple criteria into a single composite were evaluated on 117 bank tellers. Four of the five methods (management, weights, equal weights, unit weights and factor weights) yielded nearly identical results. The fifth method (canonical weights) correlated almost zero with the other methods. (Author/PN)
Descriptors: Adults, Evaluation Criteria, Evaluation Methods, Job Analysis
