People of color also are more likely to suffer disparities in mental health treatment in general, which results in their being more likely to be ushered into the criminal justice system, says Tiffany Townsend, PhD, senior director of ethnic minority affairs in APA's Public Interest Directorate.
Units of IQ Rating. The IQ rating scale is built with a mathematical comparison of your mental age with your chronological age, and the result is multiplied by 100 for normalization. Lewis M. Terman, professor of psychology, is quoted to give IQ rating scale a mathematical name of âIntelligent Quotientâ.
Actual IQ tests, like the Stanford-Binet Intelligence Scales or the Wechsler Adult Intelligence Scale (WAIS-IV), contain several hundred questions and take, in the case of the WAIS-IV, between 60 and 90 minutes to complete. Then thereâs the way that IQ scores work. IQ points are arranged along a bell curve so that 100 is at the top of the bulge with most of the scores surrounding it. 100 should always be the average score of an IQ test within its intended audience.