Background: Many previous family quality of life studies have relied on parental information for understanding if and how having a sibling with profound intellectual and multiple disabilities (PIMD) influences the sibling's quality of life. In the current study, children had the opportunity to describe both positive and negative aspects of having…

Background: Siblings may support each other, but also reveal fierce rivalry and mutual aggression. Supportive sibling relationships have been linked to the development of psychosocial competence of children. In the present longitudinal study, we will focus on the development of perceived support in sibling dyads and on the influence of sibling…