Computed confidence intervals for the Wechsler Adult Intelligence Scale-Revised for the Verbal, Performance, and Full Scale IQ scores. Reports IQ intervals for the 85 percent, 90 percent, 95 percent, and 99 percent levels of confidence for each of the nine standardization sample age groups and the entire sample. (Author)

Examined the extent of examiner error during administration of the Wechsler Adult Intelligence Scale (WAIS) by practicing school psychologists and school psychology students eligible for state certification as psychometrists. A number of examiner item scoring and administration errors were observed for numerous subtests. (RC)

A program written in BASIC that produces a 20-item mathematics test is given. (MK)

A WAIS short form, consisting of the Similarities, Picture Arrangement, and Block Design subtests, was administered to 109 undergraduates. Correlation between these scores and their Full Scale WAIS IQ scores was .90. The subtests underestimated IQ by 9.29 points, suggesting that the constant be adjusted for this population. (SJL)

Author concludes that "...intelligence is a power rather than an activity or a thing,...accident rather than substance, potency rather than act, and...many confusions relating to (its) character, measurement, development and function stem chiefly from the difficulties of putting it in the category of a power." (Auth.)

Results from 1,297 adolescents and adults show that, consistent with hypothesized relationships, people classified as Intuitive by the MBTI earned higher KAIT Composite IQs than those classified as Sensing. However, most other hypotheses were not supported, as the Fluid-Crystallized discrepancy was not meaningfully related to any MBTI dimension.…

A. S. Kaufman (1994) recommended that clinicians substitute Symbol Search, a new subtest, for the Coding subtest when calculating Performance and Full Scale IQs on the Wechsler Intelligence Scale for Children-III. Tables are provided for accurate derivation of IQs, percentile ranks, and confidence intervals when this substitution is made. (SLD)

Related inspection time (IT) to intelligence using a measure that has nonconfounded factors of mental ability to determine whether the association is based on fluid IQ or perceptual processes. Results for 37 undergraduates suggest that IT is related only to fluid intelligence, supporting the notion that IT reflects some fundamental underlying…

Intelligence Quotient scores are only predictors of performance, not precise measures of intelligence. They are most useful in conjunction with other assessments of potential such as achievement tests and daily performance. An explanation of how scores are derived and a brief history of IQ testing are included. (IAH)

Of 100 DNA markers examined in an allelic association study, only 1 showed a replicated association with IQ in samples totaling 107 children. How the gene marked by the particular restriction fragment length polymorphism was tracked and its mitochondrial origin identified is described. (SLD)

For DNA markers in or near genes of neurological relevance, allelic frequencies were compared for groups of high- and low-IQ children (total sample of 86). This study adds 40 markers to the 60 already studied. Only one showed a significant association with IQ in original and replication samples. (SLD)

Investigated stability of Wechsler Adult Intelligence Scale-Revised intelligence quotients (IQs) for 52 high school students. One-half of subjects were retested after 3 months; other half after 18 months. Stability coefficients were uniformly high for both retest intervals. IQs for males retested after 18 months increased beyond practice effect.…

Critiques research by Rodgers, et al. (June 2000) on the impact of family size on intelligence, explaining that it applied very simple analytic techniques to a very complex question, leading to unwarranted conclusions about family size and intelligence. Loss of cases, omission of an important ability test, and failure to apply multivariate…

Sex differences on the WISC-R (Wechsler Intelligence Scale for Children-Revised) are examined in a sample of 1258 11 year olds in Mauritius. Boys obtained a significantly higher Full Scale IQ by 5.8 IQ points. Boys obtained a higher Performance IQ by 6.5 IQ points and a higher Verbal IQ by 1.0 IQ points. On the subtests, girls obtained a…