Journal of Official Statistics, Vol.3, No.4, 1987. pp. 439–448
Measuring Drug Use Among Swedish Adolescents, Randomized Response Versus Anonymous Questionnaires
Berth Danermark and Bengt Swensson
Abstract:A survey with an embedded experiment of 1 290 pupils in the ninth grade of comprehensive school compares two anonymity preserving measurement techniques, viz., randomized response and anonymous questionnaires. The two techniques showed no significant difference for measuring the percentage of pupils who had ever smoked hashish or marihuana. The survey was also designed to allow a study of the impact of nonresponse. The estimated percentage of pupils who had ever smoked cannabis was found to be significantly higher for nonrespondents.
Keywords:Anonymity protection; anonymous questionnaires; drug use; nonresponse; randomized response.
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