Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Monitoring the Future: A Continuing Study of the Lifestyles and Values of Youth, 1976-1992: Concatenated Core File (ICPSR 6227) Bachman, Jerald G.; Johnston, Lloyd D.; O'Malley, Patrick M. 2. Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 1998 (ICPSR 2752) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al.