General cognitive and specific number abilities that underlay arithmetic performance have been heavily investigated among typically developing students; however, the inquiry has rarely been applied to students with mild intellectual disability (MID). We examined whether domain-general cognitive abilities (i.e. working memory, processing speed, and…

Working memory (WM) impairments might amplify behavioural difference in genetic syndromes. Murine models of Rubinstein-Taybi syndrome (RTS) evidence memory impairments but there is limited research on memory in RTS. Individuals with RTS and typically developing children completed WM tasks, with participants with RTS completing an IQ assessment and…

The autistic impairments in emotional and social competence, imagination and generating ideas predict qualitative differences in expressive drawings by children with autism beyond that accounted by any general learning difficulties. In a sample of 60 5-19-year-olds, happy and sad drawings were requested from 15 participants with non-savant autism…

This study compared behavioural, cognitive, and motivational components of religiosity among 54 Jewish adolescents (aged 13-21 years) and 35 adults (aged 30-60 years) with intellectual disability (ID) (IQ=40-69). A special questionnaire was constructed based on several previous studies by other authors. A different pattern was found between age…

The relationship between preschool children's level of gender understanding and their ability to identify gender-linked attributes was examined. Participants were 26 3-year-old and 30 4-year-old children who were administered a single-cue gender labelling task, Slaby and Frey's (1975) gender constancy test, and the Peabody Picture Vocabulary Test.…

Language delay became increasingly apparent with age, and more so in boys than in girls. There was no significant difference between mental ages derived from standard ability tests and corresponding age equivalent scores of a symbolic play test. A developmental progression of play similar to that seen in non-handicapped groups was found. (RH)

An Australian comparison study of 26 children (mean age=10) with mild intellectual disabilities, 26 typical children of approximately the same mental age, and 26 children of approximately the same chronological age, found no mean differences on problem-solving abilities between the children with intellectual disabilities and children of comparable…

Discusses the reasons for the rise in IQ scores over time. Demonstrates the effect of the decrease in age at levels of schooling on the rise in IQ scores utilizing the data from the 1936 and 1968 standardization of the Otis Intermediate Test of Mental Ability, Form A, in New Zealand. (CMK)