be included teenfuns the reviews of effectiveness, studies had to meet these criteria: a) they were limited to primary investigations of interventions teenfuns for evaluation; b) they were published in English from January 1980 through teenfuns 2000; c) they were conducted in industrialized countries; and d) they compared outcomes in groups.

to achieve desired outcomes) or multicomponent (i.e., using more than one related activity). Interventions were grouped together on the basis of their similarity. Some studies provided evidence for more than one intervention. In these cases, the studies were reviewed for each applicable intervention. The classifications or nomenclature used in this report were chosen to ensure comparability in teenfuns review process, and these teenfuns sometimes differ from those used in the original studies. To be included in the reviews of effectiveness, studies had to meet these criteria: a) they were limited to primary teenfuns of teenfuns selected for evaluation; b) they were published in English from January 1980 through May 2000; c) they were conducted in industrialized countries; and d) they compared teenfuns in groups of persons exposed to the intervention with outcomes in groups of persons not exposed teenfuns teenfuns teenfuns to the intervention (whether the comparison was concurrent.

to be provided in the full report in 2001 --- might be useful in identifying a) resource requirements for teenfuns and.