What Is a Moderator Variable

question 5

Multiple Choice

What is a moderator variable?

• A) A variable that has no effect on the relationship between the predictor and outcome variables.
• B) A variable that affects the relationship between the predictor and outcome variables.
• C) An alternative name for the predictor variable in a regression model
• D) An alternative name for the outcome variable in a regression model

---

Definitions:

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, such as heart rate and digestion.

Motor Fibers

Nerve fibers that transmit impulses from the nervous system to muscles, causing them to contract.

Cardiac Muscles

Specialized muscle tissue found only in the heart, responsible for the heart's contraction and blood circulation.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the smooth muscles and heart and glands, regulating bodily functions such as heart rate and digestion.