Contingencies of Reinforcement. Chapter 7: The Phylogeny and Ontogeny of Behavior. Quote 6 Post author:B. F. Skinner Foundation Post published:July 16, 2018 Post category:Skinner's Quote of the Day “Ontogenic contingencies remain ineffective until a response has occurred. The rat must press the lever at least once “for other reasons” before it presses it “for food.” (p. 175) Subscribe to RSS feed here You Might Also Like Verbal Behavior: Extended Edition. Chapter 5: The Tact. Quote 4 January 22, 2025 Recent Issues. Chapter 12: The Behavior of Organisms at Fifty. Quote 12 April 16, 2019 Upon Further Reflection. Chapter 6: The Evolution of Verbal Behavior. Quote 21 June 29, 2020