“…In previous research, factors that increase or decrease sibling problems have been explored (e.g., sibling sex, match between the sex of the two children, whether the sibling is younger or older than the child with a disability, the age of the sibling, and whether the child with disability resides in the home or is placed outside of the family). These static risk variables typically explain little variance in sibling adjustment (Eisenberg, Baker, & Blacher, 1998;Gold, 1993;Hannah & Midlarsky, 1999;Mates, 1990;McHale, Sloan, & Simeonsson, 1986;Roeyers & Mycke, 1995). Within the present study, these static variables also failed to explain variance in sibling behavioral adjustment.…”