lynching

n. an instance of a group or mob of vigilantes killing a person, especially by hanging. The lynch mob often justifies its actions by claiming that the victim is guilty of some crime and the group is administering an appropriate punishment. Most lynchings in the United States were racially motivated acts of violence perpetrated by White Americans against African Americans. The first documented U.S. lynching occurred in 1882; by 1950, lynch mobs had killed more than 3,000 people. —lynch vb.

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Psychology term of the day

January 3rd 2025

noncontingent reinforcement

the process or circumstances in which a stimulus known to be effective as a reinforcer is presented independently of any particular behavior. Because contingencies may arise by accident (see accidental reinforcement), behavior-independent presentation of stimuli cannot guarantee that no contingency exists between a response and the stimuli. See reinforcement.