“…However, the effect sizes in the two above‐mentioned studies were small. ICDP seems to produce effects in diverse contexts with a variety of groups of parents, including mothers with ethnic minority background (Skar, von Tetzchner, et al, 2014a) and fathers in prison (Skar, von Tetzchner, et al, 2014b). The impact of ICDP has also been investigated in low‐ and middle‐income countries, reporting positive effects, including a reduction in parents' use of violence (Skar et al, 2017), improvement in caregiver skills, parental self‐efficacy and parental mental health, as well as in children's psychosocial functioning and development (Abarashi et al, 2014; Dybdahl, 2001; González‐Fernández et al, 2020; Skar, Sherr, et al, 2014).…”