acutedisease adolescent adolescentbehavior computers congresses cybernetics dataprocessing decisionmaking decisionmakinginadolescence decisionsupportsystems decisionsupporttechniques diagnostictechniquesandprocedures gametheory generalsurgery logic medicine methods multiplecriteriadecisionmaking prevention risk-taking risk-taking(psychology)inadolescence surgery symbolicandmathematical systemanalysis systemsanalysis systemstheory therapeutics thoughtandthinking unitedstates wb105o121983 wo100c598s1984