The relative development of Piagetian concrete logical operational abilities was investigated in Mexican American and Anglo American children. Performance was assessed on eight classification tasks and three forms of transitivity, measuring seriation skills. One phase of the study compared the performances of 30 Anglo and 30 Mexican American…

This study sought to determine the self-concept level, expectancy of success in school subjects, and actual achievement in those subjects of disadvantaged youths in high school in comparison to advantaged boys. The subjects (Ss) consisted of 100 disadvantaged and 100 advantaged boys from an urban integrated high school. No Ss were in the college…

This study systematically investigated age differences in personality characteristics of advantaged and disadvantaged high school and college females. Two hundred and thirty three subjects (Ss) were randomly selected from an urban environment: 83 disadvantaged and 112 advantaged high school girls, and 38 disadvantaged college women. The test norms…

This is an intensive observational study of teacher behavior in six kindergartens in three schools. The schools were picked to be typical examples of a white middle class suburban school, an integrated lower class urban school, and a black lower class urban school. In all three schools teachers used the greatest proportion of class time (from 33…

Discussed are the theoretical explanations of the observation that low intelligence quotient (IQ), low socioeconomic status children appear to be brighter in certain ways than low IQ middle class youngsters. The two different theories on IQ as a function of socioeconomic status--environmental or cultural vs. genetically determined biological…