If the Correlation Between the IQs of Identical Twins Is

question 196

Multiple Choice

If the correlation between the IQs of identical twins is .86,then,in any group of identical twins,what percent of the variation in the "Y" twins' IQs is accounted for by knowing
The IQs of their identical siblings (the "X's") ?

• A) 22
• B) 43
• C) 74
• D) 86

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Definitions:

Sexual Dysfunction

A problem occurring during any phase of the sexual response cycle that prevents the individual or couple from experiencing satisfaction from sexual activity.

Rationalization

A defense mechanism in which controversial behaviors or feelings are justified and explained in a seemingly rational or logical manner to avoid the true explanation.

Compensation

Payment or benefits given for services rendered or as a recompense for injuries sustained or inconveniences.

Introjection

The unconscious adoption of the ideas or attitudes of others, often used as a defense mechanism.