If the Correlation Between the IQs of Identical Twins Is

question 193

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:

Majority Viewpoint

refers to the opinion or belief held by the larger part of a group or society.

Grassroots Organization

A group or movement that uses collective action from the local level to effect change at the local, national, or international level, often relying on community involvement and volunteer-based campaigns.

Property Tax Rate

The percentage of the assessed value of a property that is levied annually as tax by a governmental authority.

Focus Group Research

A qualitative research method involving guided discussions with a small group of people to explore their perceptions, opinions, beliefs, and attitudes towards a product, service, concept, or idea.