Examines item bias on Forms L and M of the Peabody Picture Vocabulary Test-Revised in Anglo-American and Mexican-American children (N=132). Analyses indicated bias as measured by differences in item difficulty in both groups; however, there was no clear pattern of items that were more difficult for either group. (LLL)

Examined the degree of temporal stability of the PPVT-R for 56 Native-American, Mexican-American, and Anglo-American kindergarten children. In addition, stability was examined for home language groups. Results indicated that strong temporal stability existed over an eight-month period for all students. (JAC)

TO DETERMINE WHETHER SIGNIFICANT DIFFERENCES EXIST IN SKILL PERFORMANCE AS A RESULT OF HEAD START EXPERIENCE AND TO DETERMINE WHETHER THESE DIFFERENCES EXIST BETWEEN TWO ETHNIC GROUPS, 17 ANGLO-AMERICAN AND 62 MEXICAN-AMERICAN CULTURALLY DISADVANTAGED CHILDREN WERE PRE-TESTED AND POST-TESTED DURING THE SUMMER OF 1965 IN CONNECTION WITH SIX-WEEK…

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…