Protection motivation theory
We are moved to protect ourselves when a threat feels serious and likely and we believe a response will work and we can do it.
What it means
PMT explains responses to fear appeals through two appraisals: threat appraisal (perceived severity and vulnerability, minus the rewards of the risky behavior) and coping appraisal (response efficacy and self-efficacy, minus the costs of the protective action). Protection motivation — the intention to take a safeguarding action — rises when both appraisals are favorable; a frightening message with no credible, doable response tends to backfire into denial or avoidance. The theory clarifies why scare tactics so often fail: arousing fear without building efficacy leaves people threatened but helpless. Originally a model of fear appeals, Rogers later broadened it into a general account of persuasive health communication. It matters for campaign design because it pairs the 'why care' of threat with the 'what to do and can I' of coping, which message-testing repeatedly shows is the decisive half.
Examples
An anti-smoking ad works best when it shows the danger (threat) and a concrete, winnable path to quit with support (coping efficacy), not graphic fear alone.
A letter warning that your street will flood gets filed away; the same letter naming a grant and a fitter who installs door barriers in a day gets acted on.
Security training that only recounts horror stories about phishing is ignored; training that shows the two-second sender check anyone can do actually changes what staff click.
First described in Ronald W. Rogers (1975; revised 1983).