National Addiction & HIV Data Archive Program
This study is maintained and distributed by the National Addiction & HIV Data Archive Program (NAHDAP). NAHDAP is supported by the National Institute on Drug Abuse (NIDA), part of the National Institutes of Health (NIH).
Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 2005 (ICPSR 4537)
Alternate Title: MTF 2005 (8th/10th Grade)
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
These surveys of 8th- and 10th-grade students are part of a series that explores changes in important values, behaviors, and lifestyle orientations of contemporary American youth. Students in each grade are randomly assigned to complete one of four questionnaires, each with a different subset of topical questions but containing a set of "core" questions on demographics and drug use. There are more than 450 variables across the questionnaires. Drugs covered by this survey include amphetamines (stimulants), barbiturates (tranquilizers), other prescription drugs, tobacco, alcohol, inhalants, steroids, marijuana, hashish, LSD, hallucinogens, cocaine, crack, ecstasy, methamphetamine, and injection drugs such as heroin.
These data are freely available.
Johnston, Lloyd D., Jerald G. Bachman, Patrick M. O'Malley, and John E. Schulenberg. Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 2005. ICPSR04537-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2010-03-12. http://doi.org/10.3886/ICPSR04537.v2
Persistent URL: http://doi.org/10.3886/ICPSR04537.v2
This study was funded by:
- United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse (DA-01411)
Scope of Study
Subject Terms: alcohol, attitudes, crime, demographic characteristics, drug education, drug use, family background, gender roles, high school students, human behavior, lifestyles, religious attitudes, self esteem, social change, tobacco use, values, youths
Geographic Coverage: United States
Date of Collection:
Unit of Observation: individual
Universe: Enrolled 8th- and 10th-grade students in the contiguous United States.
Data Types: survey data
Data Collection Notes:
For 2005, two of the questionnaire forms, Form 1 and Form 3, have a new version of the race question. Previously, the racial categories were Black and White. The new version includes Black, White, and Hispanic.
To protect the anonymity 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.
Variables omitted from the Western region questionnaires are noted in each codebook.
A user guide is provided with the study documentation. It contains two year-to- year cross-time question indices for the MTF 8th- and 10th-grade surveys. The first is sorted by subject area and the second is sorted by question location.
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: A multistage area probability sample design was used 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 with probability proportionate to the size of the 8th- or 10th- grade class. In schools with more than 350 students in the grade, a random sample of students or classes was drawn. In schools with less than 350 students in a grade, all students were asked to participate. Each school was asked to participate for two years so that each year one-half of the sample would be 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). For the 8th-grade survey, schools with less than 20 8th graders were excluded from the sample. For the 10th-grade survey, schools with less than 25 10th graders were excluded. The participation rate among schools has been between 66 and 80 percent since the inception of the study.
Weight: Each of the eight parts contains a weight variable, V5. They were originally varied by school but were modified to protect respondent confidentiality. Users should use the weight variable for all analyses, the results of which will differ slightly from published data tables that used original data.
Mode of Data Collection: on-site questionnaire
Response Rates: The student response rates for the 2005 8th- and 10th-grade surveys were 90 percent and 88 percent, respectively.
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.
- Performed recodes and/or calculated derived variables.
- Checked for undocumented or out-of-range codes.
Original ICPSR Release: 2006-10-31
- 2010-03-12 Corrected data were provided by the principal investigator for the question about binge drinking (item reference number 00850). Other minor corrections were made to the question text and value labels to provide greater consistency between matching variables in other years of data in the series.
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