Participants of this study are adolescents aged 16 to
18 years. Participants are recruited by sending letters
containing flyers with short information about the newly
developed intervention using a game to reduce binge
drinking in adolescents to schools of higher and lower
secondary and tertiary education in the Netherlands.
The schools can get more information on the intervention
website, or contact the researchers directly via telephone
or mail. After a couple of weeks, if the school has
not responded to the letter yet, schools are called and
asked if they had received the letter and if they would
like to get more information about the intervention. If
they register to participate in the study, they are randomly
assigned to either a control or experimental condition.
Schools are not blind to their condition, because
the experimental schools have to schedule a total of
three lessons (two lessons in January/February for the
baseline questionnaire and three game scenarios and
one for the follow-up measurement in May/June) for the
current study, while control schools just have to schedule
two lessons (one lesson in January/February for the
baseline questionnaire and one for the follow-up questionnaire
in May/June). Schools also have to sign and