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The Retrograde Motion of Planets and Children: Interpreting Percentile Rank.
Peer reviewed Peer reviewed
Brown, 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
Significant Differences between Individual Subtest Scaled Scores and Average Scaled Scores on the Wechsler Preschool and Primary Scale of Intelligence-Revised.
Peer reviewed Peer reviewed
Lobello, Steven G. – Psychology in the Schools, 1991
Presents age-referenced tables for Wechsler Preschool and Primary Scale of Intelligence-Revised that provide differences required at .05 and .01 levels of significance between any Verbal scale subtests and average of Verbal scale subtests, any Performance scale subtests and average of Performance scale subtests, and any subtest with average of all…
Descriptors: Intelligence Tests, Test Interpretation, Young Children
WIAT Subtest and Composite Predicted-Achievement Values Based on WISC-III Verbal and Performance IQs.
Peer reviewed Peer reviewed
Flanagan, Dawn P.; Alfonso, Vincent C. – Psychology in the Schools, 1993
Provides tables of Wechsler Individual Achievement Test (WIAT) subtests and composite predicted-achievement standard scores based on Wechsler Intelligence Scale for Children-Third Edition (WISC-III) Verbal and Performance intelligence quotients (IQs). Tables allow examiners to determine quickly ability-achievement discrepancies based on WISC-III…
Descriptors: Achievement Tests, Intelligence Tests, Prediction, Test Interpretation
Corrected Confidence Intervals for Quotients on the WISC-R, by Level of Quotient.
Peer reviewed Peer reviewed
Silver, Stephen J.; Clampit, Michael K. – Psychology in the Schools, 1991
Provides new confidence intervals for Wechsler Intelligence Scale for Children-Revised (WISC-R) to improve accuracy over existing tables. Includes alternative confidence interval tables for WISC-R quotients at extreme levels where current tables are least accurate. New tables center confidence intervals on estimated true intelligence quotient and…
Descriptors: Children, Intelligence Quotient, Intelligence Tests, Statistical Analysis
A Profile Graph for Interpreting the Detroit Tests of Learning Aptitude.
Peer reviewed Peer reviewed
Bohning, Gerry – Psychology in the Schools, 1979
These tests provide one source of diagnostic data to support educational decisions for learning disabled children. The Profile Graph expedites communication of diagnostic assessment results to parents and teachers, and is a useful source of information in making placement and program planning decisions for learning disabled children. (Author)
Descriptors: Children, Educational Planning, Learning Disabilities, Learning Problems
False Confidence in Intervals: Inaccuracies in Reporting Confidence Intervals.
Peer reviewed Peer reviewed
Schulte, Ann C.; Borich, Gary D. – Psychology in the Schools, 1988
Examines various procedures for constructing confidence intervals that have been suggested in measurement texts in relation to their approximation to the most accurate procedure that uses the estimated true score as the center of the confidence interval and the standard error of estimate to determine width. (Author/ABL)
Descriptors: Error of Measurement, Scores, Test Construction, Test Interpretation
Standard Score Tables for the McCarthy Drawing Tests.
Peer reviewed Peer reviewed
Reynolds, Cecil R. – Psychology in the Schools, 1985
The Draw-a-Design and Draw-a-Child, two subtests of the McCarthy Scales, are the best-normed drawing tests for children aged two and a half to eight and a half years but have no age-corrected deviation scaled scores available for interpretation. Scaled scores for use in interpretation are presented for these tests. (Author/NRB)
Descriptors: Freehand Drawing, Nonverbal Tests, Norms, Scaling
Using and Updating Local Norms.
Peer reviewed Peer reviewed
Elliott, Stephen N.; Bretzing, Burke H. – Psychology in the Schools, 1980
Presents a rationale for the use of local norms and a procedure, illustrated with an example, for updating a norm group's test score mean and variance. Local norms can be more recent, relevant, and representative for local groups. (Author)
Descriptors: Computer Assisted Testing, Feedback, Local Norms, Norm Referenced Tests