The influence of obvious anonymity on the response of school children to a questionnaire about smoking.
D000293:Adolescent; D000328:Adult; D001290:Attitude; D001294:Attitude to Health; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents; D012737:Sex Factors; D012907:Smoking; D013334:Students; D011795:Surveys and Questionnaires; D014861:Washington