DuncanA. D.Self-application of behavior modification techniques by teen-agers. Adolescence, 1969, 16, (4), 541–556.
2.
HommeL.Control of coverants, the operants of the mind. Psychological Record, 1965, 15, 501–511.
3.
SkinnerB. F.Science and human behavior. New York: Appleton-Century-Crofts, 1953.
4.
The author is indebted to Ogden R. Lindsley for his elegant strategies and compassion for all mankind. Appreciation is extended to the teachers and graduate students who facilitated this report but especially to Christine and Susan for sharing their inner life with the rest of the world.