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.
How an IQ Test is Scored. The term IQ actually stands for intelligence quotient. To determine a person's IQ, a person's mental age is multiplied by 100 and then divided by the chronological age. The average IQ is said to be 100, so anything above that is considered above average. The range of what is considered developmentally disabled is thought to be anything below 70. Most people who are considered geniuses have IQs above 145. What an IQ Test Does Not Measure.