“…Hundreds of trials have examined the effects of preventive mental health interventions in school-aged youth (Tanner-Smith, Durlak, & Marx, 2018;Skeen et al, 2019), university students (Cole, Prassel, & Carlson, 2018;Conley, Durlak, & Kirsch, 2015;Conley, Shapiro, Kirsch, & Durlak, 2017), and at the workplace (Bartlett et al, 2019;Carolan, Harris, & Cavanagh, 2017;Tan et al, 2014). Hundreds more trials have examined the effects of preventive interventions aimed at high risk groups for developing mental health problems, including caregivers of patients with dementia (Cheng et al, 2020;Walter & Pinquart, 2019), children of parents with mental disorders (Siegenthaler, Munder, & Egger, 2012), people who suffer from a recent trauma (Roberts, Kitchiner, Kenardy, Lewis, & Bisson, 2019), patients with cancer (Zahid, Grummedal, Tvilling Madsen, & Gögenur, 2020), and programs aimed at prevention of postpartum depression (Sockol, Epperson, & Barber, 2013) and child abuse (Park & Kim, 2017;Walsh, Zwi, Woolfenden, & Shlonsky, 2018).…”