For a Dichotomous Treatment Regression (X = 1 or 0)

question 47

Multiple Choice

For a dichotomous treatment regression (X = 1 or 0) , the mean outcome for the treated group (X = 1) is 35 and the mean outcome for the untreated group is 67. What will the slope of the regression line be?

• A) 67
• B) 35
• C) 67/2 = 33.5
• D) -32

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Definitions:

Behavior

The actions or reactions of an organism, often in response to its environment.

Altruistic Behavior

Occurs whenever a helping individual behaves in a way that benefits another individual at a cost to its own fitness.

Hamilton

A city in Ontario, Canada, known for its industrial heritage, or referring to William D. Hamilton, a biologist who made significant contributions to the theory of evolution.

Alleles

Variants of a gene that determine distinct traits which can be passed from parents to offspring.