Since the Invention of IQ Tests, Psychologists Have Periodically Rewritten

question 210

Multiple Choice

Since the invention of IQ tests, psychologists have periodically rewritten the tests and intentionally made the test more difficult. Why?

• A) to prevent cheating
• B) to keep the mean score from rising above 100
• C) because the tests are now being used for different purposes than they were in the past
• D) because low IQ scores have greater reliability than high scores do

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