Bogus pipeline technique A procedure in which research participants are (falsely) led to believe that their responses will be verified by an infallible lie detector.
Bogus pipeline A phony lie-detector device that is some- times used to get respondents to give truthful answers to sensitive questions.
Brainstorming A technique that attempts to increase the production of creative ideas by encouraging group mem- bers to speak freely without criticizing their own or others’ contributions.
Bystander effect The effect whereby the presence of others inhibits helping.
Catharsis A reduction of the motive to aggress that is said to result from any imagined, observed, or actual act of aggression.