that met Boy Puberty Stages inclusion criteria. Of these 243 studies, 77 were excluded on the basis of limitations in their execution or design Boy Puberty Stages were not considered further. The remaining 166 studies were considered qualifying studies.**** The 14 Task Force evaluations in this report Boy Puberty Stages based on these qualifying Boy Puberty Stages all of which had.

to achieve desired Boy Puberty Stages or multicomponent (i.e., Boy Puberty Stages 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 Boy Puberty Stages Boy Puberty Stages The classifications or nomenclature Boy Puberty Stages in this report were chosen to ensure comparability in Boy Puberty Stages review Boy Puberty Stages and Boy Puberty Stages classifications sometimes differ Boy Puberty Stages 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 investigations of interventions Boy Puberty Stages 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 outcomes in groups Boy Puberty Stages persons exposed to the intervention with outcomes in groups of persons not exposed or less exposed to the intervention (whether the comparison Boy Puberty Stages concurrent or before-after). For each.

evidence for more than one intervention. In these cases, the studies were reviewed Boy Puberty Stages each applicable.