Leonard Paul Ullmann

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WEISS RL, EKMAN P, ULLMANN LP, et al. (1965) THE CONTEXT OF REINFORCEMENT IN VERBAL CONDITIONING. Journal of Clinical Psychology. 21: 99-100
KRASNER L, ULLMANN LP, FISHER D. (1964) CHANGES IN PERFORMANCE AS RELATED TO VERBAL CONDITIONING OF ATTITUDES TOWARD THE EXAMINER. Perceptual and Motor Skills. 19: 811-6
ULLMANN LP, KRASNER L, EDINGER RL. (1964) VERBAL CONDITIONING OF COMMON ASSOCIATIONS IN LONG-TERM SCHIZOPHRENIC PATIENTS. Behaviour Research and Therapy. 2: 15-8
Ullmann LP, Krasner L, Gelfand DM. (1963) Changed Content within a Reinforced Response Class Psychological Reports. 12: 819-829
Weiss RL, Krasner L, Ullmann L. (1963) Responsivity Of Psychiatric Patients To Verbal Conditioning: "Success" And "Failure" Conditions And Pattern Of Reinforced Trials Psychological Reports. 12: 423-426
Ekman P, Krasner L, Ullmann LP. (1963) Interaction of set and awareness as determinants of response to verbal conditioning Journal of Abnormal and Social Psychology. 66: 387-389
KRASNER L, ULLMANN LP, WEISS RL, et al. (1961) Responsivity to verbal conditioning as a function of three different examiners. Journal of Clinical Psychology. 17: 411-5
Krasner L, Weiss RL, Ullmann LP. (1961) Responsivity to Verbal Conditioning as a Function of “Awareness” Psychological Reports. 8: 523-538
Weiss RL, Ullmann LP, Krasner L. (1960) On The Relationship Between Hypnotizability And Response To Verbal Operant Conditioning Psychological Reports. 6: 59-60