Item components that might contribute to the difficulty of items on the Raven Colored Progressive Matrices (CPM) and the Standard Progressive Matrices (SPM) were studied. Subjects providing responses to CPM items were 269 children aged 2 years 9 months to 11 years 8 months, most of whom were referred for testing as potentially gifted. A second…

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…

The learning potential (LP) procedure represents an alternative method of measuring ability of Spanish-speaking students who tend to score low on traditional IQ tests. This study sought to determine the relative predictive power of LP and IQ measures on achievement of 188 first through sixth grade Spanish-speaking students. Subjects participated…