Murray Is Studying the Effects of Heredity and Environment on IQ

question 86

Multiple Choice

Murray is studying the effects of heredity and environment on IQ test scores.He thinks that heredity is the most important factor in determining IQ.Which finding would support his argument most strongly?

• A) Identical twins reared together tend to have similar IQ scores.
• B) Identical twins reared apart tend to have similar IQ scores.
• C) Siblings reared together tend to have similar IQ scores.
• D) Unrelated children reared together tend to have similar IQ scores.

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Definitions:

Constant Returns To Scale

A situation in which increasing all inputs by a certain factor leads to an increase in output by the same factor, indicating proportionate scaling in production.

Production

This refers to the process of creating goods and services through the combination of labor, materials, and technology.

Cost

The monetary value required to produce or acquire goods or services.

Competitive Firm

An individual company operating in a competitive market, where it has little to no control over the market price of its goods or services, and must accept the market price as given.