Contingencies of Reinforcement. Chapter 5: Operant behavior. Quote 21 Post author:B. F. Skinner Foundation Post published:June 12, 2018 Post category:Skinner's Quote of the Day “An operant is a class, of which a response is an instance or member.” (p. 131) Subscribe to RSS feed here You Might Also Like Recent Issues. Chapter 11: A New Preface to Beyond Freedom and Dignity. Quote 12 March 29, 2019 Cumulative Record. Chapter 17: Contingency Management in the Classroom. Quote 6 February 1, 2023 Science and Human Behavior, Chapter 13: Function versus Aspect, Quote 6 August 2, 2016