Study Search Results Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance (?) Study Title/Investigator 1. Marital Instability Over the Life Course, 1983: [United States] (ICPSR 9200) Booth, Alan, et al. 4 more results in Marital Instability Over the Life Course/Work and Family Life Study Series 2. Terman Life-Cycle Study of Children with High Ability, 1922-1991 (ICPSR 8092) Terman, Lewis M., et al.