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If the Correlation Between the IQs of Identical Twins Is

question 193

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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") ?


Definitions:

Percent

A mathematical term representing a part per hundred, used to describe fractions in terms of whole numbers.

Orbitofrontal Cortex

A prefrontal cortex region involved in decision-making, impulse control, and the processing of rewards and punishments.

Initiative

Initiative refers to the ability to assess and initiate things independently, often seen as taking charge or starting projects on one's own.

Dorsolateral Prefrontal Cortex

A region of the prefrontal cortex implicated in executive functions, such as working memory, cognitive flexibility, planning, inhibition, and abstract reasoning.

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