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A New Method for Analyzing Content Validity Data Using Multidimensional Scaling
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Li, Xueming; Sireci, Stephen G. – Educational and Psychological Measurement, 2013
Validity evidence based on test content is of essential importance in educational testing. One source for such evidence is an alignment study, which helps evaluate the congruence between tested objectives and those specified in the curriculum. However, the results of an alignment study do not always sufficiently capture the degree to which a test…
Descriptors: Content Validity, Multidimensional Scaling, Data Analysis, Educational Testing