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Xu, Yuejin; Iran-Nejad, Asghar; Thoma, Stephen J. – Journal of Interactive Online Learning, 2007
The purpose of the study was to determine comparability of an online version to the original paper-pencil version of Defining Issues Test 2 (DIT2). This study employed methods from both Classical Test Theory (CTT) and Item Response Theory (IRT). Findings from CTT analyses supported the reliability and discriminant validity of both versions.…
Descriptors: Computer Assisted Testing, Test Format, Comparative Analysis, Test Theory
Rest, James; And Others – 1977
Six papers, originally presented in different form at the 1977 Convention of the Society for Research in Child Development, highlight approximately 100 studies that have used the Defining Issues Test (DIT) of moral judgment. The DIT's standardized format and objective scoring makes comparisons possible among studies, and this body of research…
Descriptors: Adults, Cognitive Development, College Students, Correlation