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When Ian Deary and His Colleagues Retested 80-Year-Old Scots,using an Intelligence

Question 56

Multiple Choice

When Ian Deary and his colleagues retested 80-year-old Scots,using an intelligence test the Scots had taken as 11-year-olds,the correlation of their scores across seven decades was


A) -.16.
B) +.06.
C) +.16.
D) +.66.

Correct Answer:

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