Background: Research into the neuropsychology of pediatric obsessive--compulsive disorder (OCD) reveals inconsistent results, limiting the ability to draw conclusions about possible neurocognitive deficits in youth with OCD. The aim of this study was to conduct a meta-analysis of the available literature. Methods: We identified 36 studies, of…

Meta-Analysis of 59 studies revealed that neither the Frostig Developmental Test of Visual Perception nor the Frostig program for the development of visual perception was advantageous for handicapped students. (CL)

This report summarizes the work conducted for the Artificial Intelligence Measurement System (AIMS) Project which was undertaken as an exploration of methodology to consider how the effects of artificial intelligence systems could be compared to human performance. The research covered four areas of inquiry: (1) natural language processing and…

The assessment of vision as it relates to and interacts with motor development is reviewed. The focus is on eye readiness skills normally occuring in infants' first few months of life and preceding eye-hand coordination. These visual skills fall into three categories: fixation, tracking, and scanning. Six standardized scales are reviewed and…

Recent research into the use of articulatory movements by the deaf has revealed the significance of this visual input, but research into the speech perception of the blind has demonstrated the significance of its loss. The implications of these findings for teaching and testing foreign language listening skills are considered. (Author/JL)

Two methodological problems often arising in dyslexia research are considered. The first problem concerns the validity of experimental measures and the related problem of interpreting null results. The second problem involves the effects of sampling from a disabled population if the disorder under investigation has multiple unknown origins.…

Describes a systematic method for producing pictures to accompany textual instructional materials. The resulting instructional design model is then used in an attribute by treatment interaction study of post-secondary school students that was designed to investigate the role of analogical pictures in adult learners' acquisition of higher level…

The two chapters of this monograph deal with the issue of the existence of a perceptual grammar that influences reading proficiency, particularly initial reading proficiency. The first chapter indicates the importance of studying reading and writing in terms of readers' and writers' knowledge of visuo-spatial processing rules. It discusses…