Raven's Progressive Matrices test items were analyzed for M demand (Pascual-Leone's developmental construct). Data on second- and third-grade subjects were analyzed for extent of absolute agreement of Raven and Figural Intersection Test (FIT) scores. Raw scores on the Raven could be deduced on the basis of FIT performance. (Author/RD)

This study investigated the relationship between measures of speed of cognitive information processing and intelligence test scores. Cognitive processing measures were significantly related to IQ scores. Reaction time tests measure cognitive operations basic to intelligence, and individual differences in intelligence are partly due to variability…

Thirty bilingual Hispanoamerican students between the ages of eight and thirteen were given verbal and non-verbal intelligence tests which were then correlated with overall school grade point average. Non-verbal tests resulted in higher correlations; the Raven Colored Progressive Matrices appeared to be the best predictor of school successes of…