Related Experiment Video
Updated: Aug 1, 2026

10:32
Development of a Virtual Reality Assessment of Everyday Living Skills
Published on: April 23, 2014
Study of WAIS-R, Quick Test and PPVT IQS for neuropsychiatric patients
D R Price1, D A Herbert, M L Walsh
1Behavior Resources, Inc., Greenville, South Carolina.
Perceptual and Motor Skills
|June 1, 1990
Abstract:
As expected, the PPVT and various forms of the Quick Test, all tests of receptive vocabulary, overestimated the three IQs of the WAIS-R, often by more than half a standard deviation for a small sample (N = 30) of psychiatric in-patients. A restricted range of scores may have contributed to spuriously high correlations among the various measures of IQ.
Related Concept Videos
Measures of Intelligence
Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this; it...
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this; it...
Wechsler's Contribution to Measures of Intelligence
David Wechsler, a psychologist who worked with World War I veterans, developed a significant IQ test in 1939 called the Wechsler-Bellevue Intelligence Scale. This test was innovative because it combined several subtests that measured both verbal and nonverbal skills, reflecting Wechsler's belief that intelligence is a global capacity involving purposeful action, rational thinking, and effective interaction with the environment. This test later evolved into the Wechsler Adult Intelligence Scale...
Self-Report Tests of Personality
Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.

