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Peer reviewedConger, Anthony J.; And Others – Applied Psychological Measurement, 1979
The WISC-R was investigated by using measures of profile (multivariate) reliability to determine its most reliable dimensions and the precision and similarity of the multivariate structure across age groups. The structure of the WISC-R subscales was stable across age groups. Two strategies for the interpretation of WISC-R profiles are offered.…
Descriptors: Age Differences, Elementary Secondary Education, Factor Structure, Intelligence
Peer reviewedDe Lisi, Richard; Smith, Jeffrey K. – Applied Psychological Measurement, 1979
The reliability of Oltman's Portable Rod and Frame Test (PRFT) was assessed using 60 first-, third-, and fifth-grade children. Various reliability estimates ranged from .90 to .97. Age and sex differences were also examined. (Author/BH)
Descriptors: Age Differences, Cognitive Style, Cognitive Tests, Elementary Education
