“…This complex system of relationships is critical for understanding the development of siblings when one child has a disability [Stoneman, 1993[Stoneman, , 1995Stoneman and Brody, 1993b]. Marital dissatisfaction and parental conflict can compromise the quality of the sibling relationship [Brody et al, 1987b[Brody et al, , 1994aCase and Corley, 1991;Jenkins, 1992;Erel et al, 1998;Stocker and Youngbade, 1999]. Nixon and Cummings [1999] found that siblings of children with disabilities may be especially sensitive to family conflict, reporting more negative emotional reactions and a greater tendency to perceive personal involvement in the conflict than comparison siblings.…”