In a study of the effects of mixing children of different backgrounds, 18 disadvantaged Mexican-American children were integrated into classes with 36 advantaged Anglo peers to see if the intellectual performance of the Mexican-Americans would be favorably affected. Comparisons were also made between 18 children of the same ethnic group who were…

Effects of language of administration on IQ and predictions of letter learning and achievement were investigated for Anglo and bilingual Mexican American preschool children. Significant IQ differences were associated with language of test administration. No significant differences among predictions of letter task performance were obtained for…