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Holster, Trevor A.; Lake, J. – Language Assessment Quarterly, 2016
Stewart questioned Beglar's use of Rasch analysis of the Vocabulary Size Test (VST) and advocated the use of 3-parameter logistic item response theory (3PLIRT) on the basis that it models a non-zero lower asymptote for items, often called a "guessing" parameter. In support of this theory, Stewart presented fit statistics derived from…
Descriptors: Guessing (Tests), Item Response Theory, Vocabulary, Language Tests
Gillis, Shelley; Bateman, Andrea – 1999
The literature on issues of the reliability and validity of objective and performance assessments in vocational education and training was reviewed and synthesized to develop guidelines for procedures to enhance reliability and validity. The review established the following facts: (1) validity is determined largely through inferences made by both…
Descriptors: Adult Education, Competence, Competency Based Education, Criterion Referenced Tests