Allowing respondents to retake a cognitive ability test has shown to increase their test scores. Several theoretical models have been proposed to explain this effect, which make distinct assumptions regarding the measurement invariance of psychometric tests across test administration sessions with regard to narrower cognitive abilities and general…

The predictive power of the short-form Wechsler Adult Intelligence Scale of P. Satz and S. Mogel to provide equivalent information about IQ scores and age-corrected scale scores was not differentially affected by the side of the lesion for 63 patients with brain tumors. (SLD)

A review of the basic information on intelligence testing as a schooling practice is presented, including a discussion of what intelligence is and three psychological approaches to studying intelligence (psychometric, behavioristic, and developmental). All intelligence tests derived from the psychometric approach are standardized and…