“…The bulk of research on the effects of anti-drug messages concentrates on awareness, knowledge, attitudes, affect, and behavioral intent (see, e.g., Atkin, 2001;Atkin & Freimuth, 2001;Paisley, 2001;Palmgreen, Lorch, Donohew, & Harrington, 1995;Salmon & Murray-Johnson, 2001;Wartella & Middlestadt, 1991), with studies often investigating the manner in which variations in content, form, and argumentation style evoke changes in dependent variables of interest (McGuire, 2001). Beyond manipulating media variables, individual differences among viewers have also been widely examined .…”