“…For longer interventions such as 8 weeks, there has been evidence for a reduction in negative affect (Davidson et al, 2003;Jha, Stanley, Kiyonaga, Wong, & Gelfand, 2010;Schroevers & Brandsma, 2010) and reductions in anxiety (Chiesa & Serretti, 2009;Davidson et al, 2003;Fang et al, 2010;Farb et al, 2010;Goldin & Gross, 2010), depression (Farb et al, 2010;Goldin & Gross, 2010), and stress scores (Chiesa & Serretti, 2009;Fang et al, 2010;Shapiro, Oman, Thoresen, Plante, & Flinders, 2008). Along the same lines, interventions lasting 3 months similarly demonstrated more positive psychological functioning such as reduced stress, anxiety and difficulty in emotion regulation (Jacobs et al, 2011;Sahdra et al, 2011).…”