Content Relevance and Content Coverage in Tests of Grammatical Ability

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Abstract
Three widely used tests of grammatical ability were evaluated for content-oriented test construction using two procedures. First, a decision-making model was developed to assist in judging the content relevance and coverage of each test using information provided by respective test authors. Second, a comprehensive model of the grammatical domain was applied to individual items on the tests so that descriptions and comparisons of their content domains could be made. Both evaluations showed inadequate content relevance and coverage for all three tests. The content domains of these tests were found deficient when judged against an external standard as well as when examined according to their own content specifications. The influence of inadequate content relevance and coverage on assessment and remediation is discussed.

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