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: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Marital Instability Over the Life Course [United States]: A Five-Wave Panel Study, 1980, 1983, 1988, 1992-1994, 1997 (ICPSR 2163) Booth, Alan 2 more results in Marital Instability Over the Life Course/Work and Family Life Study Series 2. Survey of Midlife Development in Japan (MIDJA), April-September 2008 (ICPSR 30822) Ryff, Carol D.; Kitayam, Shinobu; Karasawa, Mayumi; et al.