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Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results.

1.
Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2015 (ICPSR 36408)
Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al.

more results 1 more result in Monitoring the Future (MTF) Series

2.
Panel Study of Income Dynamics, 1968-1999: Supplemental Files (ICPSR 3202)
Hofferth, Sandra; Stafford, Frank P.; Yeung, Wei-Jun J.; et al.

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