A Stimulus satiation technique and gradual reduction approach were compared to a cold turkey approach and a taste aversion technique (special pill to create cigarette aversion). All showed substantial initial reduction, but considerable relapse at a six month followup. (CJ)

Speed during extinction was higher following partial reinforcement, following skill instructions, and for females. (MH)

Development of preference found to be related to frequency of association of rewards with a critical stimulus. This article is based on a dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy from the Pennsylvania State University by the first author. (MH)

The present study attempted to elicit covert verbalization with a bit more assurance, as compared to Gagne and Smith, and to compare the effects of instructions to covertly verbalize with instructions to talk out loud while solving problems. (Author/MS)

Describes a system of further structuring the discrete trial format, an approach that draws on operant conditioning principles to present standardized and consistent learning trials. A flow chart of the Standard Trial Progression and Reinforcement Hierarchy is included, and data collection approaches are suggested. (CL)