The results of this study show that, below ten years of age, stability in IQ scores from group verbal tests is considerably below that for Stanford-Binet. Non-verbal IQ scores were found to have substantially less stability than verbal IQs. (Author/DEP)

Black students from two cities and Mexican-American students, both male and female, showed small but consistent tendencies to perform better, relative to White groups, on three nontraditional measures: tests of inductive reasoning, spatial scanning, and associative memory. These measures showed somewhat less discrepancy between the groups than did…

Results of a subtest of the Project Access battery, comparing the influence of race, sex and city on inductive reasoning items, are presented. The participating Junior High students represented three racial groups, Black, White, and Mexican Americans, from three cities, Los Angeles, Memphis, and Washington, D. C. The test, entitled Letter Groups,…