Cunningham, John A; Kypri, Kypros; McCambridge, Jim
BACKGROUND Employing waiting list control designs in psychological and behavioral intervention research may artificially inflate intervention effect estimates. This exploratory randomized controlled trial tested this proposition in a study employing a brief intervention for problem drinkers, one domain of research in which waiting list control designs are used. METHODS All participants (N = 185) were provided with brief personalized feedback intervention materials after being randomly allocated...[Show more]
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