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 Cumulative Record. Chapter 6: The Design of Experimental Communities. Quote 5 February 17, 2022 About Behaviorism, Chapter 2: The World Within the Skin, Quote 12 March 3, 2017 Science and Human Behavior, Chapter 4: Reflexes and Conditioned Reflexes, Quote 2 February 15, 2016