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

question 9

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:

Motor Vehicle Industry

The sector of the economy associated with the production, marketing, and maintenance of motor vehicles.

MC2

A formula representing the equivalence of mass (m) and energy (E), with c2 signifying the speed of light squared, as theorized by Albert Einstein in his theory of relativity.

Cartels

Associations of independent businesses or organizations that collaborate to control prices, limit competition, or regulate the production and distribution of goods and services.

Group Profits

The total profit earned by a collective of companies or entities.