S
Stephen B. Dunbar
Researcher at University of Iowa
Publications - 27
Citations - 1795
Stephen B. Dunbar is an academic researcher from University of Iowa. The author has contributed to research in topics: Achievement test & Sample size determination. The author has an hindex of 12, co-authored 26 publications receiving 1737 citations.
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Complex, Performance-Based Assessment: Expectations and Validation Criteria
TL;DR: In this article, the authors argue that there is a need to rethink the criteria by which the quality of educational assessments are judged, and a set of criteria that are sensitive to some of the expectations for performance-based assessments is proposed.
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Pathways to conscience: early mother–child mutually responsive orientation and children's moral emotion, conduct, and cognition
TL;DR: The impact of the early mother-child relationship on future conscience appears to be a complex process that progresses along distinct paths.
The Effects of High-Stakes Testing On Achievement: Preliminary Findings About Generalization Across Tests
TL;DR: The effects of high-stakes testing on achievement were examined in this article, where Koretz et al. presented findings about generalization across tests and found that high-stakes testing has a negative effect on achievement.
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An Investigation of the Power of the Likelihood Ratio Goodness-of-Fit Statistic in Detecting Differential Item Functioning.
TL;DR: In this paper, the authors investigated the power and error rate of the likelihood ratio goodness-of-fit (LR) statistic in detecting differential item functioning (DIF) under Samejima's (1969, 1972) graded response model.