In Looking at the Relationship Between Heredity and IQ, Which

question 45

Multiple Choice

In looking at the relationship between heredity and IQ, which of the following is the most true?

• A) Fraternal twins are more likely that identical twins to have similar IQs.
• B) Heredity appears to have the largest influence on childhood IQ scores and decreases with age.
• C) Contradicting earlier research findings, the correlation in IQ scores between identical twins is only approximately +0.2.
• D) Heredity appears to have the largest influence on adult IQ scores and this influence increases with age.

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Definitions:

Interest-Rate Cost-Of-Funds

The expense associated with borrowing money, typically expressed as a percentage rate, impacting the cost of accessing funds for lending or investment.

Expected Rate of Return

The anticipated earnings on an investment, typically expressed as an annual percentage.

Marginal Utility

The change in satisfaction or utility an individual gains from consuming an additional unit of a good or service.

MU/P Ratio

The MU/P Ratio stands for the marginal utility to price ratio, used in economics to analyze consumer choice by comparing the additional satisfaction (utility) received from an increase in consumption of a good relative to its price.