“…The most comprehensive meta-analysis conducted to date (Sanders, Kirby, et al, 2014) revealed significant short-and long-term improvements for children's social, emotional and behavioural outcomes (medium effect), parenting practices (medium effect), parenting satisfaction and efficacy (medium effect), parental adjustment (small-medium effect) and parental relationship (small effect). Several studies have also investigated the effects of Triple P as a public-health intervention and recorded significant population-level impact across a range of outcomes including behavioural and emotional problems in children, parent-child relationship, coercive parenting, and parental depression and stress (Fives, Pursell, Heary, Nic Gabhainn, & Canavan, 2014;Sanders et al, 2008;Sarkadi, Sampaio, Kelly, & Feldman, 2014), as well as reduced incidence of child abuse, and hospitalisations, injuries and outof-home placements due to maltreatment (Prinz, Sanders, Shapiro, Whitaker, & Lutzker, 2009). …”