“…Cognitive development may influence children's appraisal of stressful health care situations in several ways (Peterson, 1989). However, in the pediatric literature, including research on children with cancer, the hypothesis that developmental differences in healthlillness concepts influence cognitive appraisal of medical stressors has not been tested (Peterson, 1989;Peterson, Harbeck, Farmer, & Zink, 1991). However, in the pediatric literature, including research on children with cancer, the hypothesis that developmental differences in healthlillness concepts influence cognitive appraisal of medical stressors has not been tested (Peterson, 1989;Peterson, Harbeck, Farmer, & Zink, 1991).…”