FUNCTIONAL OPERANT By N., Pam M.S. - May 11, 2013 the term used for the class of responses whose probability is changed by the imposition of an operant contingency. Lever presses of force greater than 0.2 N may be required for reinforcement. FUNCTIONAL OPERANT: "The functional operant is a class of responses." Related Psychology Terms INTERMITTENT REINFORCEMENT PROGRESSIVE-RATIO SCHEDULE FRUSTRATIVE NONREWARD HYPOTHESIS OPERANT PARADIGM FIXED-RATIO SCHEDULE (FR SCHEDULE) PROBABILITY LEARNING RANDOM-RATIO SCHEDULE (RR SCHEDULE) ISOMETRIC CONTROL OPERANT RESPONSE MATCHING LAW Cite this page: N., Pam M.S., "FUNCTIONAL OPERANT," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/functional-operant/ (accessed October 16, 2019).