To evaluate the implications of deliberate practice when teaching test administration skills, novice, but trained, graduate student examiners administered intelligence tests to a convenience sample of volunteer school-age examinees assigned to a first test session. A second, different convenience sample of volunteer school-age examinees were…

Because of the Flynn effect, IQ scores rise as a test norm ages but drop on the introduction of a newly revised test norm. The purpose of the current study was to determine the impact of the Flynn effect on learning disability (LD) diagnoses, the most prevalent special education diagnosis in the United States. Using a longitudinal sample of 875…

The Cognitive Proficiency Index (CPI) developed for the most recent Wechsler intelligence scales comprises the working memory and processing speed subtests. It reflects the proficiency and efficiency of cognitive processing and provides another lens for analyzing children's abilities assessed by the Wechsler Intelligence Scale for Children--Fourth…

Background: The underlying mechanism of time perception deficit in long time intervals in attention-deficit/hyperactivity disorder (ADHD) is still unclear. This study used the time reproduction dual task to explore the role of the attentional resource in time perception deficits among children and adolescents with ADHD. Methods: Participants…

Vane Kindergarten Test and WPPSI scores of 33 kindergarten children were compared. Obtained results suggest that the VKT is promising method to assess intelligence in a reasonably brief period of time and provides results comparable to those of the more time-consuming WPPSI. (Author)

Although they have limited academic ability, mentally retarded children may be quite adept at social interaction or physical, artistic, or other tasks. Research was conducted to examine the creative, self-concept, and impulsive characteristics of MR pupils and to examine and compare, as to age and intellectual development, the performance of both…

This report presents national estimates of the intellectual development levels of noninstitutionalized children 6-11 years of age in the United States. These estimates were determined by scores on the Vocabulary and Block Design subtest of the WISC obtained in the Health Examination Survey of 1963-65. Findings are shown by age, sex, and grade in…