Cumulative Record: Definitive Edition (1999). Chapter 7: Are Theories of Learning Necessary. Quote 1 Post author:B. F. Skinner Foundation Post published:May 13, 2021 Post category:Skinner's Quote of the Day Certain basic assumptions, essential to any scientific activity, are sometimes called theories. That nature is orderly rather than capricious is an example. (p. 69) You Might Also Like Verbal Behavior: Extended Edition. Chapter 10: Supplementary Stimulation. Quote 23 July 16, 2025 Recent Issues. Chapter 12: The Behavior of Organisms at Fifty. Quote 7 April 9, 2019 Verbal Behavior: Extended Edition. Chapter 10: Supplementary Stimulation. Quote 11 June 30, 2025