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Administering Defining Issues Test Online: Do Response Modes Matter?
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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