In terms of intellectual development, one important conclusion from adoption and twin studies is that the more two people in a family are alike genetically, __________.
A. the higher the correlation in their IQ scores
B. the less correlated their IQ scores are
C. the greater the diversity in subskills on an intelligence test
D. the greater the likelihood that there will be children with very low IQ scores in the family
Answer: A
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Indicate whether the statement is true or false
Using z-scores, a population with µ = 37 and ? = 6 is standardized so that the new mean isµ = 50 and ? = 10 . After the standardization, one individual has a score of X = 55 . What was this individual's score in the original distribution?
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Based on a study that finds that self-esteem is negatively correlated with college grades, which person would you predict would have the highest grades?
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