Verbal Behavior: Extended Edition. Chapter 8: The Verbal Operant as a Unit of Analysis. Quote 3 Post author:B. F. Skinner Foundation Post published:April 22, 2025 Post category:Skinner's Quote of the Day Classifications of responses are useful only in separating various types of controlling relations, and some responses may show features of both mand and tact. (p. 189) You Might Also Like Verbal Behavior: Extended Edition. Chapter 5: The Tact. Quote 47 March 24, 2025 Contingencies of Reinforcement. Chapter 5: Operant behavior. Quote 2 May 16, 2018 Science and Human Behavior, Chapter 16: Thinking, Quote 3 September 14, 2016