“…Thus, the present article contributes to a growing literature demonstrating the importance of employing within-family and mixed-methods designs to study the role of family relations in well-being. Despite recent calls for more emphasis on both of these approaches, particularly to study the complex ways in which family relations affect well-being (Creswell et al, 2011;Peterson et al, 2013;Pillemer & Gilligan, 2018, Suitor & Gilligan, In press, Suitor et al, 2017b, such designs are still rare, due to the substantial investment of financial and human resources they require. We hope that despite these obstacles, such design features become more common in the research on interpersonal relations and well-being.…”