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Hester, Reid K.; Delaney, Harold D.; Campbell, William – Journal of Consulting and Clinical Psychology, 2011
Objective: To evaluate the effectiveness of a web-based protocol, ModerateDrinking.com (MD; "www.moderatedrinking.com") combined with use of the online resources of Moderation Management (MM; "www.moderation.org") as opposed to the use of the online resources of MM alone. Method: We randomly assigned 80 problem drinkers to…
Descriptors: Evidence, Experimental Groups, Control Groups, Drinking
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Stice, Eric; Shaw, Heather; Bohon, Cara; Marti, C. Nathan; Rohde, Paul – Journal of Consulting and Clinical Psychology, 2009
Prob,In this meta-analytic review, the authors summarized the effects of depression prevention programs for youth as well as investigated participant, intervention, provider, and research design features associated with larger effects. They identified 47 trials that evaluated 32 prevention programs, producing 60 intervention effect sizes. The…
Descriptors: Control Groups, Homework, Assignments, Research Design
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Parloff, Morris B. – Journal of Consulting and Clinical Psychology, 1986
Describes problems in implementing placebo controls in psychotherapy including the difficulty of ensuring that therapists and their patients will view both the experimental and placebo treatments as comparably credible. Considers six research issues stemming from the definitional requirement that the placebo control for the critical and specific…
Descriptors: Control Groups, Program Evaluation, Psychotherapy, Research Design
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Basham, Robert B. – Journal of Consulting and Clinical Psychology, 1986
An examination of the scientific basis of both control group designs and comparative designs in outcome research reveals that comparative designs generally have fewer threats to validity and provide a more efficient means of control for nonspecific treatment factors suggesting that comparative studies warrant a larger role in the study of…
Descriptors: Comparative Analysis, Control Groups, Program Evaluation, Psychotherapy