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Tarsilla, Michele – Journal of MultiDisciplinary Evaluation, 2010
Background: Evaluation is sometimes viewed as a professional practice rather than a discipline corresponding to a well defined set of theories. However, Shadish, Cook and Leviton (1991) were able to demonstrate that evaluators' work does have theoretical foundations. In particular, the authors identified five main elements for evaluation theory…
Descriptors: Evaluation, Theories, Interviews, Evaluators
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Rusticus, Shayna A.; Lovato, Chris Y. – Practical Assessment, Research & Evaluation, 2011
Assessing the comparability of different groups is an issue facing many researchers and evaluators in a variety of settings. Commonly, null hypothesis significance testing (NHST) is incorrectly used to demonstrate comparability when a non-significant result is found. This is problematic because a failure to find a difference between groups is not…
Descriptors: Medical Education, Evaluators, Intervals, Testing