SCENARIO 18-6
a Weight-Loss Clinic Wants to Use Regression Analysis $\beta$

question 146

Multiple Choice

SCENARIO 18-6
A weight-loss clinic wants to use regression analysis to build a model for weight-loss of a client (measured in pounds) .Two variables thought to affect weight-loss are client's length of time on the weight loss program and time of session.These variables are described below:

Partial output from Microsoft Excel follows:
-Referring to Scenario 18-6,what null hypothesis would you test to determine whether the slope of the linear relationship between weight-loss (Y) and time in the program (X₁) varies according to time of session?

• A)H₀ : \(\beta\)₁ =\(\beta\)₂ =\(\beta\)₃ = \(\beta\)₄ = \(\beta\)₅ = 0
• B)H₀ : \(\beta\)₂ =\(\beta\)₃ =\(\beta\)₄ =\(\beta\)₅ = 0
• C)H₀ : \(\beta\)₄ = \(\beta\)₅ =0
• D)H₀ : \(\beta\)₂ = \(\beta\)₃ = 0

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Definitions:

Reinforcement

In behavioral psychology, a consequence applied that strengthens an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.

Personality Traits

Enduring characteristics or behaviors that distinguish one individual from another, often described as patterns of thought, feeling, and behavior.

Superego

Part of the human psyche, according to Freudian theory, that represents internalized ideals and provides standards for judgment (the conscience) and for future aspirations.

Collective Unconscious

A concept proposed by Carl Jung that refers to the part of the unconscious mind which is derived from ancestral memory and experience and is common to all humankind.