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Federal
Summary of the Effects of the 2015 NSDUH Questionnaire Redesign: Implications for Data Users
U.S. Department of Health & Human Services —
This report details the changes to trends for specific questionnaire items resulting from the 2015 NSDUH questionnaire redesign. -
Federal
National Survey on Drug Use and Health: 2014 and 2015 Redesign Changes
U.S. Department of Health & Human Services —
This report describes changes in the 2014 and 2015 NSDUHs that were designed to increase the efficiency of data collection and processing and to improve the quality...