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Saculla, Meghan Marie; O'Connor, Erin; Thoma, Stephen J. – AERA Online Paper Repository, 2016
The Center for the Study of Ethical Development archives DIT data and, in this way, it is possible to investigate normative trends, which is the purpose of the present study. Specifically, online DIT-2 data is used. Results support the notion that the primary difference in the paper/pencil version and the online version of the DIT-2 is simply the…
Descriptors: Measures (Individuals), Moral Values, Moral Development, Test Norms
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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