Behavioral change theories · USMLE Step 1

A patient says, “I want to quit drinking, but I don’t think I can manage stress without alcohol.” According to the Theory of Planned Behavior, which factor is limiting behavior change?

  1. Subjective norms
  2. Behavioral intention
  3. Perceived behavioral control
  4. Attitude toward behavior
Show answer and explanation

Correct answer: Perceived behavioral control

Perceived behavioral control reflects one’s belief in ability to perform the action. Doubting ability limits change.

Difficulty: Medium Question 16 of 20

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