Two paper and pencil group tests were assessed for their ability to classify subjects as concrete or formal operational. The two group tests, Sheehan's (1970) version of Longeot's three subtests and set of three puzzles, were administered to 607 students from ninth- and tenth-grade science and mathematics classes. A subsample of 69 students was…

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…