Regarding the Comparison of Identical Twins Reared Together and Apart,which

question 74

Multiple Choice

Regarding the comparison of identical twins reared together and apart,which of the following statements is FALSE?

• A) The IQs of some separated twins differ by as much as 20 points when the twins grow up with big educational and environmental differences.
• B) Being placed in homes socially and educationally similar to their biological parents tends to inflate apparent genetic effects by making separated twins' IQs more alike.
• C) The IQ of identical twins reared apart is inflated by the fact that identical twins develop in the same prenatal environment.
• D) Psychologists who emphasize genetics believe that the correlations between identical twins show that adult intelligence is roughly 80 percent hereditary.

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Definitions:

Cause-and-effect

The principle that an action or event will produce a certain response or outcome in the natural or human-made world.

Correlational Data

Data used to measure and describe the degree to which two or more variables are related, without inferring a cause-and-effect relationship.

Surgeon General

The leading spokesperson on matters of public health in the federal government of a country, often heading a specific governmental public health agency.

Dependent Variable

In research, it's the variable that is tested and measured, often to see the effects of variations in the independent variable.