Behavioral change theories · USMLE Step 1

A patient refuses a flu vaccine because he believes the vaccine will make him sick. According to the Health Belief Model, which factor is influencing his behavior?

  1. Low perceived severity
  2. High perceived susceptibility
  3. Perceived barriers
  4. Self-efficacy
Show answer and explanation

Correct answer: Perceived barriers

Perceived barriers refer to obstacles or fears that discourage action. Fear of becoming ill from the vaccine is a perceived barrier.

Difficulty: Medium Question 9 of 20

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