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Many schools offer health interventions to prevent drug use among adolescents. However, reviews of effect studies show mixed results. A potential effective strategy for school health interventions are testimonials in the class room by recovered drugs-addicts, but to our knowledge, its effectiveness has not been studied. In our study, we compared four conditions in a two-wave 2*2 design (information lessons no/yes x recovered drug-addicts lesson no/yes). Both waves were answered by 965 students from 10 schools (average age is 14.5 years). Separately for cannabis and hard drugs, seven effect variables were measured: positive and negative consequences of use, attitude, intention to use, intention to use when friends use, curiosity, and awareness of the risk of addiction. Our results show that most effective is combining informative lessons with a lesson in which a testimonial is given by a recovered drugs-addict. The testimonial is the most essential ingredient that cannot be omitted.
Bas van den Putte, U of Amsterdam, ASCoR
Tessa Rutten, ASCOR, U of Amsterdam
Gert-Jan de Bruijn, ASCOR, U of Amsterdam
Anneke de Graaf, ASCOR, U of Amsterdam