Find over 25,000 psychological definitions


n. a strong concurrence-seeking tendency that interferes with effective group decision making. Symptoms include apparent unanimity, illusions of invulnerability and moral correctness, biased perceptions of the outgroup, interpersonal pressure, self-censorship, and defective decision-making strategies. Causes are thought to include group cohesion and isolation, poor leadership, and the stress involved in making decisions. [identified by Irving L. Janis]

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

May 30th 2024

normative research

normative research

research conducted for the purpose of ascertaining norms.