Recent Issues. Chapter 12: The Behavior of Organisms at Fifty. Quote 9 Post author:B. F. Skinner Foundation Post published:April 11, 2019 Post category:Skinner's Quote of the Day “An operant was a kind of behavioral atom. True, I could take pressing a lever apart by extinguishing its parts separately (The Behavior of Organisms, 1938, p. 102), but even so it was close to a minimal unit.” (p. 125) You Might Also Like Contingencies of Reinforcement: A Theoretical Analysis, Preface, Quote 2 January 4, 2018 Cumulative Record. Chapter 14: Why We Need Teaching Machines. Quote 20 December 13, 2022 Reflections on Behaviorism and Society. Chapter 4: Humanism and Behaviorism. Quote 3 August 13, 2019