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Twenty-five-year-old Lay Hoon took a battery of intelligence tests for admission into the Royal Hong Kong Air Force Academy and scored slightly above average. She was tested again twenty years later, and her performance on the tests nearly doubled. According to the text, Horn and his colleagues would attribute this increase to ___________.

Answer :

Answer:

The correct answer is  Increased crystallized intelligence.

Explanation:

Usually, Increased crystallized intelligence develops slowly, remains relatively stable through most maturity, and then starts to decrease after age 65. Based on the ability assessment as well as the survey format, the precise peak age of cognitive skills remains uncertain. This concept is part of psychologist Raymond Cattel's General Intelligence theory (1971).

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