Why Has the Ratio Method of Computing IQ Been Replaced

question 69

Multiple Choice

Why has the ratio method of computing IQ been replaced by the deviation method?

• A) The deviation method accommodates the fact intelligence does not keep increasing at the same rate as chronological age throughout adulthood.
• B) The deviation method is less culturally biased than is the ratio method.
• C) Newer tests have made the ratio method of computing IQ obsolete, since the number of questions answered correctly is no longer an important consideration in determining a person's intelligence.
• D) Computers can now automatically score tests so the computation of mental age can be done much faster.

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