“…Other researchers have examined the psychosocial adjustment of healthy school-age siblings of children with sickle-cell disease or severe emotional disturbances. These studies documented multiple factors within the family, such as support, expressiveness, low levels of conflict, family cohesion, and the quality of the sibling relationship, as factors that contributed to adjustment by healthy children (Gold, Treadwell, Weissman, & Vichinsky, 2008; Kilmer, Cook, Taylor, Kane, & Clark, 2008). …”