A City Guide To Nanding for This level of understanding will subsequently determine how children communicate their symptom experience to parents and health-care staff, their ability to act on health advice, and the level of personal responsibility for disease management that is feasible. These aspects should not be overlooked when care and educational programmes are developed. While cognitive development is important, such staged theories have not met with universal support e.g. Dimigen and Ferguson , in relation to concepts of cancer. Illness concepts are now thought to derive more from a range of influences, such as experience and knowledge, rather than from relatively fixed stages of cognitive development see research focus. RESEARCH FOCUS Children’s conceptions of health how complex are they? Normandeau, S. A City Guide To Nanding 2016.