The appropriateness of innovative educational concepts for students from a low socioeconomic status (SES) or ethnic minority background is sometimes called into question. Disadvantaged students are supposed to benefit more from traditional approaches with Programmatic Instruction (PI). We examined Developmental Education (DE), an innovative…

Children practice their spatial skills when playing with spatial toys, such as construction materials, board games, and puzzles. Sex and SES differences are observed in the engagement in such spatial play activities at home, which relate to individual differences in spatial performance. The current study investigated the effects of explicitly…

This study compared bilingual and monolingual school beginners on measures of simple and complex verbal working memory and receptive and expressive vocabulary. The aim was to determine whether the tests of working memory are fairer measures of language ability than the vocabulary tests for bilingual children when tested in their second language.…

The purpose of the study was twofold: first, to determine the reliability of a paired-associate (PA) task when used as a test of learning proficiency; and second, to assess the relationship between performance on the PA task and on IQ tests as a function of grade level (kindergarten, first, third) and socioeconomic status (high, low). The…

The several statistical methods described for detecting test bias in terms of various internal features of a person's test performances and the test's construct validity can be applied to any groups in the population. But the evidence regarding groups other than U.S. blacks and whites is either lacking or is still too sketchy to permit any strong…