Third-Person Effect: Test Assumed Audience Vulnerability Before Acting

Communication · Executive Insight Brief · 135

Assumed panic is not audience evidence

People often estimate stronger media influence on others than on themselves and those perceptions can drive consequential interventions

Premise

Communication decisions often rest on predictions about somebody else. Executives fear employees will panic, regulators expect citizens to be misled, or campaigners assume undecided voters are being swayed. W. Phillips Davison’s Third-Person Effect identifies a recurring self–other asymmetry: people often judge persuasive media as more influential for others than for themselves.

The model matters because perceived effects can shape action even when actual effects remain unknown. Leaders may censor, regulate, rebut, restrict, or withhold information because they believe other people are vulnerable. Davison’s 1983 proposal contains two parts that must remain distinct: a perceptual gap and the more demanding possibility that this belief produces behavior.

What the model is: Third-Person Effect in Knowledge →