Four levels of the behavior constraint-reinforcement variable were manipulated: attractive reward, unattractive reward, request to perform, and a no-reward control. Only the unattractive reward and request groups showed the performance decrements that suggest the overjustification effect. It is concluded that reinforcement does not cause the…

The present study investigated the phenomenon of sudden gains in 107 participants with social phobia (social anxiety disorder) who received either cognitive-behavioral group therapy or exposure group therapy without explicit cognitive interventions, which primarily used public speaking situations as exposure tasks. Twenty-two out of 967…

Literature reviews dealing with psychotherapy and counseling too often conclude that no conclusions can be drawn. However, a critique of the literature on covert sensitization (CS) may offer clarifications of these apparently contradictory remarks. Research studies (N=84) were categorized by problem types, method used in the investigation, method…

This paper reviews critical issues in the assessment and modification of children's social competence and reports on preliminary data collected in a longitudinal study of children's social behavior. A number of unanswered applied research questions concerning assessment and modification of social competence are noted: (1) Specific behaviors of…

The possibility of differential sex proportions as a confounding factor in the Lovaas (1987) study is raised. It is argued that the chi-square analysis was inadequate and that the appropriate comparison should be made between the experimental and the control group using population data to estimate expected cell frequencies. (Author/CR)

Research on classroom rewards is reviewed with emphasis on the effect of seeing another student rewarded for performing the same task that the observing classmate has performed. Four further experiments are briefly described, and research variables are reviewed. Suggestions are made for increasing the effects on peers of implicit rewards. (GDC)