1. Hypotheses and habits in verbal “operant conditioning”;Dulany;J. abnorm. soc. Psychol.,1961
2. The place of hypotheses and intentions: An analysis of verbal control in verbal conditioning;Dulany,1962
3. Discrimination and learning without awareness: A methodological survey and evaluation;Eriksen;Psychol. Rev.,1960
4. Rewards and punishments in human learning;Postman,1962
5. The role of awareness in verbal conditioning;Spielberger,1962