“…Table 2 displays the methodological characteristics of the empirical studies, including the program, its country, number of participants, instruments used, as well as studies’ main results, organized according to experimental rigor. Six programs included experimental designs (Cross et al, 2011, 2012, 2016; Kärnä, Voeten, Little, Poskiparta, Kaljonen, et al, 2011; Nocentini & Menesini, 2016; Sanchez et al, 2001); five programs showcased quasiexperimental designs (Bauer et al, 2007; Bowllan, 2011; Kärnä, Voeten, Little, Poskiparta, Alanen, et al, 2011; Stan & Beldean, 2014; Wong et al, 2011); and six programs had pre‐experimental designs (Allen, 2010; Hutchings & Clarkson, 2015; Macedo et al, 2014; Mendes, 2011; Minton et al, 2013; Rock et al, 2007).…”