Compare and contrast a ratio IQ and a deviation IQ. For what age group is each of these IQ scores typically computed?

Question

Quizplus · Accepted Answer

The Answer is The answer should indicate that ratio IQ is a statistic obtained by dividing a person's mental age by the person's physical age and then multiplying the quotient by 100. A deviation IQ is a statistic obtained by dividing a person's test score by the average test score of people in the same age group and then multiplying the quotient by 100. Modern researchers compute the ratio IQ for children and the deviation IQ for adults.

Compare and Contrast a Ratio IQ and a Deviation IQ