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Protection Motivation Theory. What is PMT?. A persuasive communication theory Cognitive model based on expectancy-value principles Assists in decision-making in health behaviors. Background of PMT. Developed by Dr. D. W. Rogers (1975)
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What is PMT? • A persuasive communication theory • Cognitive model based on expectancy-value principles • Assists in decision-making in health behaviors
Background of PMT • Developed by Dr. D. W. Rogers (1975) • To further understand the effects of fear appeals in health behavior change • Later extended to emphasize cognitive processes mediating behavioral change • Fear Cognitive process Behavior change
How does it work? • Fear appeal Appraisal Coping behavior • Coping behavior is either adaptive (+) or maladaptive (-) • Cognitive appraisal components motivate the +/- coping behavior • Similar to HBM but also factors in rewards and costs
Threat appraisal Severity & Vulnerability Rewards of Maladaptive Response Motivate Protective Behavior Fear Appeal Coping appraisal Costs of Adaptive response Response Efficacy Self-efficacy
Example • Bacon and Heart Disease
Risk Perceptions and Their Relation to Risk Behavior • Perceived risk for Lyme disease and its relation to vaccination behavior • 3 hypotheses tested: • Accuracy hypothesis • Behavior motivation hypothesis • Risk reappraisal hypothesis • All 3 hypotheses were supported • Similarity to HBM/PMT (Brewer et al., 2004)