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Peer reviewedGuion, Robert M. – American Psychologist, 1974
Examines the issue of validity and values in the scientific method of research, and suggests that researchers must continuously question the premises upon which their research is based. (SB)
Descriptors: Evaluation Criteria, Psychological Evaluation, Psychological Testing, Statistical Analysis
Direct linkBlanton, Hart; Jaccard, James – American Psychologist, 2006
Reducing the arbitrariness of a metric is distinct from the pursuit of validity, rational zero points, data transformations, standardization, and the types of statistical procedures one uses to analyze interval-level versus ordinal-level data. A variety of theoretical, methodological, and statistical tools can assist researchers who wish to make…
Descriptors: Psychological Testing, Item Response Theory, Psychometrics, Validity
Download full textDean, Raymond S. – 1976
This study sought to determine the convergent and discriminant validity of the PIAT when administered to separate samples of Anglo and Mexican-American children. Thirty-one Mexican-American and 31 Anglo-American children were matched on the basis of sex, age, SES, educational placement, and reason referred for psychological assessment. All…
Descriptors: Achievement Tests, Anglo Americans, Children, Correlation
