“…The study did not support the extra benefit of the additional school-oriented program Fit and Strong for Life, although several authors point out the need and value of such programs (Hosman et al, 2005). Family variables such as parenting, parental stress, and parenting self-efficacy are powerful predictors of child outcomes (Aviezer, SagiSchwartz, & Koren-Karie, 2003;Erel & Burman, 1995;Grych & Fincham, 1990;Loeber & Farrington, 1998;Spence, 1998) and targeting these factors is promising for intervention. Empirical findings on widespread universal prevention campaigns in childhood and adolescence are still sparse, but merit further attention, particularly selfdirected programs (e.g., Hahlweg, Heinrichs, Kuschel, & Feldmann, 2008;Sanders et al, 2000).…”