Evaluating effectiveness--the problems of behavioral criteria.
D000293:Adolescent; D001294:Attitude to Health; D002648:Child; D002675:Child, Preschool; D003479:Curriculum; D005069:Evaluation Studies as Topic; D006266:Health Education; D006801:Humans; D012803:Sick Role; D012919:Social Behavior; D012922:Social Change; D013663:Teaching