Contingencies of Reinforcement: A Theoretical Analysis, Preface, Quote 3 Post author:B. F. Skinner Foundation Post published:January 5, 2018 Post category:Skinner's Quote of the Day “If hypotheses commonly appear in the study of behavior, it is only because the investigator has turned his attention to inaccessible events—some of them fictitious, others irrelevant.” (p. xi) Subscribe to RSS feed here You Might Also Like Verbal Behavior: Extended Edition. Chapter 19: Thinking. Quote 30 April 13, 2026 Verbal Behavior: Extended Edition. Chapter 15: Self-Editing. Quote 12 November 28, 2025 About Behaviorism, Chapter 14: Summing Up, Quote 14 October 11, 2017