BIOLOGICAL BASES OF BEHAVIOR
PREDICTING INDIVIDUAL DIFFERENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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chronological age divided by mental age and multiplied by 100.
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mental age divided by chronological age and multiplied by 100.
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chronological age subtracted from mental age and multiplied by 100.
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mental age multiplied by 100.
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Detailed explanation-1: -The Stanford–Binet test provided an intelligence quotient (IQ) by dividing a child’s mental age by his or her chronological age and multiplying by 100. Hence the average IQ, when mental age and chronological age are equal, is 100.
Detailed explanation-2: -For the original version of the Stanford Binet, IQ was defined as: d. mental age divided by chronological age and multiplied by 100.
Detailed explanation-3: -An individual’s mental age is then divided by his chronological age and multiplied by 100, yielding an intelligence quotient (IQ). Thus, a subject whose mental and chronological ages are identical has an IQ of 100, or average intelligence.
Detailed explanation-4: -The test is scored in terms of intelligence quotient, or IQ, a concept first suggested by German psychologist William Stern and adopted by Lewis Terman in the Stanford-Binet Scale. The IQ was originally computed as the ratio of a person’s mental age to his chronological (physical) age, multiplied by 100.
Detailed explanation-5: -It consisted of 30 tests arranged in order of increasing difficulty. From the average scores of children, Binet developed the concept of mental age. On this test, children were assigned a score that corresponded to their mental age, which was the average of children taking the test who achieved the same score.