IQ scores are currently computed by
A) dividing mental age by chronological age and multiplying the result by 100.
B) dividing chronological age by mental age and multiplying the result by 100.
C) comparing a child's performance on tests taken when he or she Is 4, 8, and 12 years old.
D) comparing a child's performance on tests to the performance of other children who are the same age.
Question 2
Andor takes an IQ test when he is 8 years old. He takes the test again when he is 12 years old, and gets nearly the same score. We would be likely to say that this test is
A) reliable.
B) psychometric.
C) factor-analytic.
D) valid.
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