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[op-er-uh nt] /ˈɒp ər ənt/

; producing effects.
a person or thing that .
producing effects; operating
a person or thing that operates
(psychol) any response by an organism that is not directly caused by a stimulus

“that works,” early 15c., from Latin operantem (nominative operans), present participle of operari “to work” (see operation). Psychological sense of “involving behavior modification” coined 1937 by U.S. psychologist B.F. Skinner (e.g. operant conditioning, 1938, Skinner).

operant op·er·ant (ŏp’ər-ənt)

In operant conditioning, a behavior or specific response chosen by the experimenter or therapist. Also called target response.


Read Also:

  • Operant-conditioning

    noun 1. (def 1). operant conditioning n. A process of behavior modification in which a subject is encouraged to behave in a desired manner through positive or negative reinforcement, so that the subject comes to associate the pleasure or displeasure of the reinforcement with the behavior.

  • Operant learning

    noun 1. (psychol) another name for instrumental learning

  • Opera-seria

    [op-er-uh seer-ee-uh, op-ruh; Italian aw-pe-rah se-ryah] /ˈɒp ər ə ˈsɪər i ə, ˈɒp rə; Italian ˈɔ pɛ rɑ ˈsɛ ryɑ/ noun, plural opera serias, operas seria Italian, opere serie [aw-pe-re se-rye] /ˈɔ pɛ rɛ ˈsɛ ryɛ/ (Show IPA) 1. Italian dramatic opera of the 18th century based typically on a classical subject and characterized by […]

  • Openly

    [oh-puh n] /ˈoʊ pən/ adjective 1. not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night. 2. (of a door, gate, window sash, or the like) set so as to permit passage through the […]

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