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 Upon Further Reflection. Chapter 6: The Evolution of Verbal Behavior. Quote 23 July 1, 2020 Science and Human Behavior, Chapter 24: Psychotherapy, Quote 1 December 29, 2016 Upon Further Reflection. Chapter 7: Cognitive Science and Behaviorism. Quote 32 August 17, 2020