Study Search Results Your query returned 3 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. National Survey of Midlife Development in the United States (MIDUS II), 2004-2006 (ICPSR 4652) Ryff, Carol; Almeida, David M.; Ayanian, John S.; et al. 3 more results in Midlife Development in the United States (MIDUS) Series 2. Family Interaction, Social Capital, and Trends in Time Use (FISCT), 1998-1999: [United States] (ICPSR 3191) Robinson, John P.; Bianchi, Suzanne M.; Presser, Stanley 3. United States National Health Measurement Study, 2005-2006 (ICPSR 23263) Fryback, Dennis G.