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| Test Interpretation | 2 |
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Peer reviewedBrown, Jonathan R. – Psychology in the Schools, 1991
Describes popularity of using percentile rank and offers interpretation of use of percentile rank with normal and skewed score distributions. Explains that, because percentile rank is not linear transformation of raw scores, percentile-rank transformation in lower and upper part of raw-score distribution relates percentile rank and raw scores…
Descriptors: Raw Scores, Scores, Test Interpretation
Peer reviewedAtkinson, Leslie – Journal of School Psychology, 1990
Offers standard errors of prediction and confidence intervals for Vineland Adaptive Behavior Scales (VABS) that help in deciding whether variation in obtained scores of scale administered to the same person more than once is a result of measurement error or whether it reflects actual change in examinee's functional level. Presented values were…
Descriptors: Error of Measurement, Foreign Countries, Raw Scores, Test Interpretation
