Background: The Learning Disability Screening Questionnaire (LDSQ) has been shown to have high sensitivity and specificity to identify those who are likely to meet intellectual disability diagnostic criteria (McKenzie, et al. [McKenzie K., 2015]). However, there is no independent research to date to support these findings. Materials and Methods:…

Researchers and data analysts are sometimes faced with the problem of very small samples, where the number of variables approaches or exceeds the overall sample size; i.e. high dimensional data. In such cases, standard statistical models such as regression or analysis of variance cannot be used, either because the resulting parameter estimates…

This article investigates whether computer use for leisure could mediate or moderate the relations between age and cognitive functioning. Findings supported smaller age differences in measures of cognitive functioning for people who reported spending more hours using a computer. Because of the cross-sectional design of the study, two alternative…

Psychological test data from 69 patients were examined for personality correlates of Wechsler Digit Span performance. (Author)

The purpose of the present study was to determine the ability organisation for adults of various ages through a hierarchial factor analysis of WAIS subtest intercorrelations for subjects from early adulthood through old age. (Author)

The present study is aimed at providing information concerning trends in intellectual performance in delinquent boys, as well as among the various ethnic subgroups within the delinquent population. (Author)