Participants completed a before/after and a similar/different relational task, using the Implicit Relational Assessment Procedure (IRAP), and subsequently took the Kaufman Brief Intelligence Test (K-BIT). For each relational task, response latencies were measured first on consistent trials, where participants responded in accordance with…

Although people with autism spectrum disorders (ASD) often have severe problems with pragmatic aspects of language, little is known about their pragmatic reasoning. We carried out a behavioral study on high-functioning adults with autistic disorder (n = 11) and Asperger syndrome (n = 17) and matched controls (n = 28) to investigate whether they…

The present study, based on the work of Dweck (2000) and her description of helpless and mastery-orientated children, was designed to find a new, simple and economic way of assessing helplessness while testing a child's intelligence. Two hundred and thirty-two Austrian grammar-school children, previously classified as either helpless or…

Examined consistency of hand preference in a longitudinal study of children between 18 and 42 months of age. Results showed a sex-specific relationship between hand consistence and intellectual development. Females with consistency of handedness were precocious compared to females without such consistency; the same relationship did not hold for…

Two experiments explored the behavior of 20 Asian elephants ("Elephas aximus") in simultaneous visual discrimination tasks. In Experiment 1, 7 Burmese logging elephants acquired a white+/black- discrimination, reaching criterion in a mean of 2.6 sessions and 117 discrete trials, whereas 4 elephants acquired a black+/white- discrimination in 5.3…

This study in the Northern Nigerian educational system tested the hypothesis of British and American studies that academic achievement at primary school is positively associated with extraversion. Contrary to previous studies, the results of this inquiry yielded a significant negative association between extraversion and academic attainment.…

The practice of reporting on adaptive behavior and intellectual functioning measures for participants in mental retardation research was analyzed by examining 604 articles published from 1979-87. Changes in reporting measures were found, compared to those reported in 1979 by J. Smith and E. Polloway. (Author/JDD)