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Lichtenstein, Robert – Communique, 2020
Appropriate interpretation of assessment data requires an appreciation that tools are subject to measurement error. School psychologists recognize, at least on an intellectual level, that measures are imperfect--that test scores and other quantitative measures (e.g., rating scales, systematic behavioral observations) are best estimates of…
Descriptors: Error of Measurement, Test Reliability, Pretests Posttests, Standardized Tests