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), 2003. ICPSR04018-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2010-08-10. https://doi.org/10.3886/ICPSR04018.v2
Persistent URL: https://doi.org/10.3886/ICPSR04018.v2
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high school students,
Date of Collection:
Unit of Observation:
Enrolled 8th- and 10th-grade students in the contiguous
Data Collection Notes:
This study was conducted by the Survey Research Center, Institute for Social Research at the University of Michigan.
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.
omitted from the Western region questionnaires are noted in each
Frequency and percentage distributions displayed in the codebooks are unweighted, rather than weighted by variable V5 as they had been in previous years. This change was made to simplify both the production of the codebooks and their interpretation by the analyst.
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 firstname.lastname@example.org.
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 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 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). 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.
The student response rates for the 2003 8th- and
10th-grade surveys were 89 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.
Created online analysis version with question text.
Checked for undocumented or out-of-range codes.
Restrictions: Users are reminded that these data are to be used solely for statistical analysis and reporting of aggregated information and not for the investigation of specific individuals.