The communicator (source) -> credibility, attractiveness.
The communication (message) -> emotionalappeal.
The recipients (audience) -> intelligent people resistpersuasion, and people with lowself-esteem are easier to persuade.
Purpose -> predicting behavioural change.
Evaluation of Hovland-Yale (positives) -> support for effectiveness.
Evaluation of Hovland-Yale (negatives) -> attitude change, notbehaviour change, role of self esteem (evidence suggests people with high self esteem are actually easier to persuade, opposite to theory).