Upon Further Reflection. Chapter 7: Cognitive Science and Behaviorism. Quote 5 Post author:B. F. Skinner Foundation Post published:July 9, 2020 Post category:Skinner's Quote of the Day “Verbal behavior evidently came into existence when, through a critical step in the evolution of the human species, the vocal musculature became susceptible to operant conditioning.” (p. 98) You Might Also Like About Behaviorism, Chapter 6: Verbal Behavior, Quote 5 May 1, 2017 Beyond Freedom and Dignity. Chapter 8: The Design of a Culture. Quote 5 January 4, 2022 About Behaviorism, Chapter 9: Knowing, Quote 10 June 20, 2017