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: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. National Survey of Midlife Development in the United States (MIDUS Refresher), 2011-2014 (ICPSR 36532) Ryff, Carol; Almeida, David; Ayanian, John; et al. 2. Survey of Midlife Development in Japan (MIDJA 2): Biomarker Project, 2013-2014 (ICPSR 36530) Ryff, Carol D.; Kawakami, Norito; Kitayama, Shinobu; et al.