Cumulative Record. Chapter 11: Reinforcement Today. Quote 31

Sociologists, anthropologists, political scientists, economists, theologians, psychotherapists, and psychologists have long tried to reach an understanding of human behavior which would be useful in solving practical problems. In that technological race a dark horse is coming up fast. The new principles and methods of analysis which are emerging from the study of reinforcement may prove to be among the most productive social instruments of the twentieth century. (p. 175)