Why Can't Heritability Estimates Be Used to Explain Group Differences

question 162

Multiple Choice

Why can't heritability estimates be used to explain group differences in intelligence?

• A)Heritability estimates can only be used to predict individual variation from standardized test scores, and do not apply to group differences.
• B)Heritability estimates apply only to characteristics that are determined by a single gene or gene pair.
• C)Heritability estimates can only be applied to differences within a particular group, because environmental conditions vary for different groups.
• D)Heritability estimates only apply to intelligence scores that are averaged over a period of at least 20 years, and group data does not exist for that period.

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Definitions:

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