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 24: The Flight from the Laboratory. Quote 4 July 25, 2023 Cumulative Record. Chapter 25: Creating the Creative Artist. Quote 13 September 8, 2023 Science and Human Behavior, Chapter 13: Function versus Aspect, Quote 2 July 27, 2016