In Which Case Is the Correlation Between IQ Scores the Lowest

question 148

Multiple Choice

In which case is the correlation between IQ scores the lowest

• A) non-twin siblings reared together 
• B) fraternal twins reared together 
• C) adoptive siblings reared together 
• D) non-twin siblings reared apart

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Definitions:

West Africa

A region in Africa that is to the west of the continent, comprising several countries including Nigeria, Ghana, and Senegal.

Categorical Variables

Variables that represent categories and can take on one of a limited and usually fixed number of possible values.

Quantitative Variable

A variable that can be counted or measured and expressed numerically.

Statistica Neerlandica

A scholarly journal focusing on research in statistics, its methodology, and its applications.