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Borsboom, Denny – Measurement: Interdisciplinary Research and Perspectives, 2012
Paul E. Newton provides an insightful and scholarly overview of central issues in validity theory. As he notes, many of the conceptual problems in validity theory derive from the fact that the word "validity" has two meanings. First, it indicates "whether a test measures what it purports to measure." This is a factual claim about the psychometric…
Descriptors: Validity, Psychometrics, Test Interpretation, Scores