An Independent Variable Can Be Included in a Regression Model:​

question 2

Multiple Choice

An independent variable can be included in a regression model:​

• A)​when it affects y and is uncorrelated with all of the independent variables of interest.
• B)​when it does not affect y and is uncorrelated with all of the independent variables of interest.
• C)​when it affects y and is correlated with all of the independent variables of interest.
• D)​when it does not affect y and is correlated with all of the independent variables of interest.

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Definitions:

Intelligence

The capacity to learn, understand, and apply knowledge, solve problems, and adapt to new situations.

Gray Matter

Brain tissue that contains nerve cell bodies and is involved in muscle control and sensory perception.

White Matter

A component of the brain and spinal cord made up of myelinated axons, which facilitates communication between different brain regions.

Identical Twins

Siblings born from the splitting of a single fertilized egg, sharing the same genetic material and often very similar in appearance.