“…Several large‐scale Swedish studies and one from Norway, defining joint physical custody as equal shared‐time arrangements, focusing on mental health as measure of child's well‐being (using, e.g., the Strength and Difficulties Questionnaire, SDQ) showed that children in nuclear families scored lower than children with separated or divorced parents, but that children in joint physical arrangements scored lower than children in sole physical custody arrangements (Bergström, Fransson, Hjern, Köhler, & Wallby, ; Bergström, Fransson, Wells, Köhler, & Hjern, ; Bergström et al., ; Fransson, Turunen, Hjern, Östberg, & Bergström, ; Hagquist, ; Jablonska & Lindberg, ; Nilsen, Breivik, Wold, & Bøe, ).…”