| Summary: | These surveys of 12th-grade students are part of a series that explores changes in important values, behaviors, and lifestyle orientations of contemporary American youth. Students are randomly assigned to complete one of six questionnaires, each with a different subset of topical questions, but all containing a set of "core" questions on demographics and drug use. There are about 1,400 variables across the questionnaires. Drugs covered by this survey include tobacco, smokeless tobacco, alcohol, marijuana, hashish, prescription medications, over-the-counter medications, LSD, hallucinogens, amphetamines (stimulants), Ritalin (methylphenidate), sedatives/barbiturates, tranquilizers, cocaine, crack cocaine, GHB (gamma hydroxybutyrate), ecstasy, methamphetamine, and heroin. Other topics include attitudes toward religion, changing roles for women, educational aspirations, self-esteem, exposure to drug education, and violence and crime (both in and out of school). Highlights for 2019: <ul> <li>Change in methodology: half of the MTF schools completed in-class surveys on tablets loaded with the survey; the other half completed traditional paper-and-pencil surveys. Also see the Methodology section on this page for an overview and the codebook for details.</li> <li>Expansion and revision of the study documentation in the codebook</li> <li>New documentation available for download detailing the question adds/drops/changes to the surveys</li> <li>Availability of supplemental data sets for previously unreleased questions</li> </ul> Two supplemental data files (DS8 and DS9) have been included this year by the Principal Investigators. These files each include three administrative variables for year (<strong>V1</strong>), form (<strong>V3</strong>), and ID (<strong>RESPONDENT_ID</strong>) along with a few additional variables of survey questions not previously released for <strong>Form 5 (DS8)</strong> and <strong>Form 6 (DS9)</strong> between the years 2016 to 2018. These same variables are already present in the main 2019 data files for <strong>Form 5 (DS6)</strong> and <strong>Form 6 (DS7)</strong>. The front section of the codebook provides details about each of the variables. There are also instructions on how to merge the supplemental data on to the main data files for the previous three years: <ul> <li><a href="https://doi.org/10.3886/ICPSR37416">2018 data (ICPSR 37416)</a></li> <li><a href="https://doi.org/10.3886/ICPSR37182">2017 data (ICPSR 37182)</a></li> <li><a href="https://doi.org/10.3886/ICPSR36798">2016 data (ICPSR 36798)</a></li> </ul>
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