When the Price of Candy Bars Decreased from $0

question 323

Multiple Choice

When the price of candy bars decreased from $0.55 to $0.45, the quantity demanded changed from 19,000 per day to 21,000 per day. In this price range, the price-elasticity coefficient (based on the midpoint formula) for candy bars is

• A)1.
• B)2.
• C)0.2.
• D)0.5.

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Definitions:

Health Belief Model

A psychological model that seeks to explain and predict health behaviors by focusing on the attitudes and beliefs of individuals regarding health issues.

Core Constructs

Fundamental elements or concepts that are foundational to a theory or framework.

Decisional Balance

Weighing the pros and cons of changing versus not changing a behavior, used in motivational interviewing and behavioral change.

Stages of Change

A model outlining the steps an individual goes through when modifying behavior, including precontemplation, contemplation, preparation, action, and maintenance.