Intellectual engagement (IE) refers to enjoyment of intellectual activities and is proposed as causal for knowledge acquisition. The role of IE for cognitive development was examined utilizing 2-year longitudinal data from 112 ninth graders (average baseline age: 14.7 years). Higher baseline IE predicted higher baseline crystallized ability but…

The effectiveness of using the Perry Scheme of Intellectual and Ethical Development (PSIED) was assessed with vocationally undecided students. Erwin's 1981 Scale of Intellectual Development (SID) was administered to 290 vocationally undecided college students (131 males and 156 females ranging aged 17 to 42 years with a mean age of 20.2 years) at…

The primary purpose of this study was to compare the effectiveness of infant test scores, Home Observation for Measurement of the Environment (HOME) scores, socioeconomic factors and maternal IQ as predictors of children's mental test performance. Additional purposes were to (1) determine the extent to which socioeconomic factors and maternal…

Zajonc and Bargh's (EJ 241 537) application of the confluence model to six national data sets is critiqued. Extreme differences in intelligence levels are predicted between nations, including substantial retardation for some populations. Moreover, the parameter values used do not allow mental growth functions which are consistent with previous…

Examines the CDI-WORDS Short Form vocabulary checklist as an index of language production. The study focuses on the associations between this short form and directly observed measures of lexical production; the associations between short-form checklists administered at different ages; the predictive associations between short form scores and…

Continues a previous five-year follow-up of preterm and full-term children by studying the continuity in their intellectual and emotional development. Prematurity was predictive for school adjustment at ages six and seven only when regression was performed on the preterm group, but failed to be predictive when mixed groups of preterm and full-term…

A study of the intellectual talents involved in learning a foreign language compared the composite predicted score of high school students on the Pimsleur Language Aptitude Battery with selected factor scores on the Structure of Intellect-Learning Abilities Test to determine whether any of the factors correlate highly with foreign language…