Background: Different domain-specific and domain-general cognitive precursors play a key role in the development of mathematical abilities. The contribution of these domains to mathematical ability changes during development. Primary school-aged children who show mathematical difficulties form a heterogeneous group, but it is not clear whether…

Purpose: In this article, we explore the deficit view of dyslexia and consider how it may narrow research so as to hamper the progress of scientific discovery and constrain best practices to the detriment of the overall well-being and growth of students with dyslexia. We consider the neurodiversity view of dyslexia as an alternative to the deficit…

New research suggests that mechanisms involved in fine motor skills play an important role in reading and writing development. Extending past work that focused on fine motor skills measured in adolescence, the present study followed children longitudinally from ages 5 to 7 to examine early literacy and associated sets of fine motor skills,…

Visual-spatial ability is a multifaceted component of intelligence that has predictive validity for future achievement in science, technology, engineering, and mathematics (STEM) occupations. Although identification and development of STEM talent is a national priority, visual-spatial ability is rarely measured and relatively neglected in gifted…

The main purpose of this research was to investigate empirically the Wechsler Intelligence Scale for Children -- the third Jordanian version (hereinafter WISC-III-Jordan) profiles to analyze cognitive factors for 'twice-exceptional' (2E) children characterizing 'mathematical giftedness with learning disabilities (MG/LDs). The paper examined…

The present study investigated the associations of visual-spatial attention with word reading fluency and spelling in 92 third grade Hong Kong Chinese children. Word reading fluency was measured with a timed reading task whereas spelling was measured with a dictation task. Results showed that visual-spatial attention was a unique predictor of…

This research takes mathematics as a model for investigating the definitions, identification, classification and characteristics of a group of gifted student related to the notion of "dual-exceptionality". An extensive process using qualitative and quantitative methods was conducted by a multidisciplinary team to develop and implement a…

A study was conducted to determine the relationship of visualization abilities to achievement in chemistry. Two freshmen and one senior level class of chemistry majors were included. Two visualization tests and a chemistry examination at the end of the semester were conducted. A stronger relationship was reported between senior chemistry status…

Nonverbal IQs were greater than verbal IQs for children (ages 3-7) on the Stanford-Binet: IV (n=53). However, WISC-III verbal and nonverbal IQs were similar for older children, 6-15 years of age (n=63). Stanford-Binet: IV profiles were generally consistent for the low-IQ and high-IQ groups with high scores on visual matching tests. (Contains…

Discusses the use of mental ability tests for grouping science students. Describes a study which investigated the analytical skill items on the Otis-Lennon Mental Ability Test for field independent bias. Results indicated that the test is biased in favor of individuals with field independent perceptual orientation. (TW)

A study investigated the accuracy and speed of face recognition in 26 children (ages 7-10) with Pervasive Developmental Disorder Not Otherwise Specified. Subjects needed an amount of time to recognize the faces that almost equaled the time they needed to recognize abstract patterns that were difficult to distinguish. (Contains references.)…

Twenty-four elementary school children ranging in age from 7 to 10 years identified tachistoscopically presented arrays varying in length and degree of orthographic constraint. (Author/MP)

A study involving 93 children (ages 10-12), 295 with poor reading skills, found many children with dyslexia and some garden-variety poor readers showed significant left neglect on the Clock Drawing Test. In poor readers with dyslexia, spatial construction deficits were observed like those of parents with acquired right-hemisphere lesions.…

Three-dimensional visualization skills are critically important to success in engineering careers. Unfortunately, studies have shown that the 3-D spatial visualization skills of women engineering students lag significantly behind those of their male counterparts. This paper examines gender differences in background and in visualization ability for…

Based in part on the author's doctoral study, Rutgers University, 1968. (RD)