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.
The three main types of IQ tests all use a scoring scale from 0 to 200. Test scores are calculated so that the average score for each test is 100 -- so a 100 IQ score designates average intelligence.he three main types of IQ tests all use a scoring scale from 0 to 200. Test scores are calculated so that the average score for each test is 100 -- so a 100 IQ score designates average intelligence.