The Educational Testing Service Kit of Factor-Referenced Cognitive Tests contains 72 tests that are supposed to be markers of 23 latent cognitive constructs. Examination of the factor structure of four of these tests with 165 undergraduates suggests caution in using the measures as markers of distinct factors. (SLD)

This study examined whether a timesharing factor can be identified when a number of competing tasks are presented in the midst of a range of single tests designed to sample a broad range of psychological dimensions. A battery of single and competing tasks was presented to 126 subjects. (Author/LMO)

The hierarchical and radex models of ability organization are shown to be parallel. Both suggest a complexity continuum for cognitive performance tasks which, in the radex model, corresponds to the general-to-specific dimension in factor analyses. The bases for this continuum indicate its importance for theories of intelligence. (Author/RD)

Members of 118 families were administered the Wechsler Adult Intelligence Scale; a cognitive test battery; and tests of visual, auditory, and figure memory. Factor analysis of memory scores resulted in four-factor solution. Significant spouse correlations and significant midparent-midchild regressions were found for some of the memory measures.…