Study Search Results Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Intergenerational Study of Parents and Children, 1962-1993: [Detroit] (ICPSR 9902) Thornton, Arland; Freedman, Deborah 2. Marital Instability Over the Life Course [United States]: A Five-Wave Panel Study, 1980, 1983, 1988, 1992-1994, 1997 (ICPSR 2163) Booth, Alan 3 more results in Marital Instability Over the Life Course/Work and Family Life Study Series 3. National Longitudinal Study of the Class of 1972 (ICPSR 8085) United States Department of Education. Center for Education Statistics 4. Quality of American Life, 1971 (ICPSR 3508) Campbell, Angus; Converse, Philip E.; Rodgers, Willard L.