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Behavioural-genetic studies have shown that as adopted children grow into adulthood, the correlation between their IQ scores and those of their biologically unrelated family members is about 0.45.
Q74: Descriptive statistics are statistical procedures that organize
Q83: When mental abilities are studied through cross-sectional
Q88: _ is defined as a statistical estimate
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Q195: In an experiment, a comparison condition in
Q238: Monozygotic twins develop when separate eggs are
Q277: What is "practice play"? How might it
Q367: Which research method did Curtiss (1977, 1982)
Q371: The _ plays the key role in
Q404: Which of the following illustrates the controversy