Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2001 (ICPSR 3425)
Principal Investigator(s): Johnston, Lloyd D., University of Michigan. Institute for Social Research. Survey Research Center; Bachman, Jerald G., University of Michigan. Institute for Social Research. Survey Research Center; O'Malley, Patrick M., University of Michigan. Institute for Social Research. Survey Research Center; Schulenberg, John E., University of Michigan. Institute for Social Research. Survey Research Center
This is the 27th annual survey in this 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, alcohol, marijuana, hashish, LSD, hallucinogens, amphetamines (stimulants), Ritalin (methylphenidate), Quaaludes (methaqualone), barbiturates (tranquilizers), cocaine, crack cocaine, GHB (gamma hydroxy butyrate), and heroin. Other items 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).
The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.
Johnston, Lloyd D., Jerald G. Bachman, Patrick M. O'Malley, and John E. Schulenberg. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2001. ICPSR03425-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-05-16. http://doi.org/10.3886/ICPSR03425.v1
Persistent URL: http://doi.org/10.3886/ICPSR03425.v1
This study was funded by:
- United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse (DA001411)
Scope of Study
Subject Terms: alcohol, attitudes, drug education, drug use, family life, high school students, life plans, lifestyles, religious attitudes, self esteem, social behavior, social change, tobacco use, values, youths
Geographic Coverage: United States
- 2001 (Spring)
(1) To protect the privacy of respondents, all variables that could be used to identify individuals have been collapsed or recoded in the public use files. These modifications should not affect analytic uses of the public use files. (2) Variables omitted from the Western region questionnaires are noted in each codebook.
MTF does not release detailed geography codes in its public use files because of the disclosure risk it would cause. The MTF sample is drawn to generate representative samples of the four Census Bureau regions of the country (Northeast, Midwest, South, and West), but it does not generate representative samples of smaller geographic areas such as states, counties, or cities. For additional information about data that is withheld from the public use files please contact MTF directly at email@example.com.
Sample: Multistage area probability sample design involving three selection stages: (1) geographic areas or primary sampling units (PSUs), (2) schools (or linked groups of schools) within PSUs, and (3) students within sampled schools. Of the 72 PSUs, 8 were selected with certainty, 10 were selected with a probability of .50, and the remainder were selected probability proportionate to the size the senior class. In schools with more than 350 seniors, a random sample of seniors or classes was drawn. In schools with less than 350 seniors, all seniors were asked to participate. Each school was asked to participate for two years so that each year one-half of the sample is replaced. Schools refusing participation were replaced with similar schools in terms of geographic location, size, and type of school (e.g., public, private/Catholic, private/non-Catholic). The total sample was divided into six subsamples consisting of an average of 2,300 respondents, and each subsample was administered a different form of the questionnaire, although all respondents answered the "core" drug and demographic questions. The participation rate among schools has been between 66 and 85 percent since the inception of the study.
Weight: Each of the seven parts contains a weight variable, V5. They were originally varied by school but were modified to protect respondent confidentiality. Use the weight variable for all analyses, the results of which will differ slightly from published data tables that used original data.
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Standardized missing values.
- Created online analysis version with question text.
- Performed recodes and/or calculated derived variables.
- Checked for undocumented or out-of-range codes.
Original ICPSR Release: 2002-11-08
- 2006-05-16 Minor edits were made to the metadata and documentation.
- 2006-03-30 File UG3425.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2005-11-04 On 2005-03-14 new files were added to one or more datasets. These files included additional setup files as well as one or more of the following: SAS program, SAS transport, SPSS portable, and Stata system files. The metadata record was revised 2005-11-04 to reflect these additions.
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