OPERANT By N., Sam M.S. - 163 noun. a class of reactions which generate a shared impact on the surroundings. It is marked by its impact instead of by the specific form of behavior generating that impact. OPERANT: "The operant impact was hardly noticeable." Related Psychology Terms CHILD PSYCHIATRY SOCIAL CLASS (Social Stratification) ADOLESCENCE (Theories) Piaget’s Theory of Cognitive Development HABIT ANTISOCIAL REACTION IMITATION EARLY INFANTILE AUTISM SEXUAL DEVIATIONS (GENERAL) DISCIPLINE (literally, “to learn”) Cite this page: N., Sam M.S., "OPERANT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/operant/ (accessed February 7, 2023).