Background: This preregistered study compares adolescents with mild-to-borderline intellectual disability (MBID) and typically developing (TD) adolescents on their susceptibility to peer influence. To understand why adolescents with MBID are susceptible to peer influence, links with inhibition, Theory of Mind (ToM) and negative interpretation bias…

Metaphor development in conjunction with verbal intelligence and linguistic competence in middle childhood and at the transition to early adolescence was investigated. 298 individuals between seven and ten years (chronological age) who attended grades two-four (mental age) were tested for metaphor processing by the Metaphoric Triads Task, for…

Flynn wrote a book devoted to the Flynn effect, featuring his theoretical explanation of why the intelligence of worldwide populations has apparently increased from generation to generation. The essence of his theorizing is that because of the societal impact of scientific technology, people of today are much more guided by abstract, rather than…

Despite Kaufman, Raven's Progressive Matrices and the Wechsler subtest Similarities are tests whose gains call for special explanation. The spread of "scientific spectacles" is the key, but its explanatory potential has been exhausted. Three trends force us to look elsewhere: (a) gains on Wechsler subtests such as Picture Arrangement,…

Two third-grade Taiwanese students at risk for emotional and behavioral disorders participated in a pull-out, small-group social skills training program developed to promote their skill acquisition and maintenance. Using a multiple baseline across skills design, the authors demonstrated that both participants made marked performance improvement in…

In addition to ethnic origin, the subjects were further grouped by social class, middle and lower only. Social Class was a more important factor than ethnic origin in WISC differences; and, nonverbal ability differences (Cohen factors) were found to relate only to S's membership in a particular social class." (DB)

This paper reports on a longitudinal study of significant influences on the cognitive readiness of a group of children, aged 60 to 66 months. All measures were obtained by prospective study, which began with Apgar scores calculated in the delivery room. Subsequent measures were gathered by individual case studies in homes, with children and…

Empirical evidence is presented regarding the use of the estimated learning potential (ELP). The data reported come from three instruments: the Wechsler Intelligence Scale for Children-Revised (WISC-R), the reading and math components of the California Achievement Tests, and the System of Multicultural Pluralistic Assessment (SOMPA) Sociocultural…