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Hamby, Tyler – Journal of Psychoeducational Assessment, 2018
In this study, the author examined potential mediators of the negative relationship between the absolute difference in items' lengths and their inter-item correlation size. Fifty-two randomly ordered items from five personality scales were administered to 622 university students, and 46 respondents from a survey website rated the items'…
Descriptors: Correlation, Personality Traits, Undergraduate Students, Difficulty Level
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Runco, Mark A.; Walczyk, Jeffrey John; Acar, Selcuk; Cowger, Ernest L.; Simundson, Melissa; Tripp, Sunny – Journal of Creative Behavior, 2014
This article describes an empirical refinement of the "Runco Ideational Behavior Scale" (RIBS). The RIBS seems to be associated with divergent thinking, and the potential for creative thinking, but it was possible that its validity could be improved. With this in mind, three new scales were developed and the unique benefit (or…
Descriptors: Behavior Rating Scales, Creative Thinking, Test Validity, Psychometrics
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Cui, Ying; Leighton, Jacqueline P. – Journal of Educational Measurement, 2009
In this article, we introduce a person-fit statistic called the hierarchy consistency index (HCI) to help detect misfitting item response vectors for tests developed and analyzed based on a cognitive model. The HCI ranges from -1.0 to 1.0, with values close to -1.0 indicating that students respond unexpectedly or differently from the responses…
Descriptors: Test Length, Simulation, Correlation, Research Methodology