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: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. National Survey of Midlife Development in the United States (MIDUS 3), 2013-2014 (ICPSR 36346) Ryff, Carol; Almeida, David; Ayanian, John; et al. 2. Survey of Midlife Development in Japan (MIDJA 2), May-October 2012 (ICPSR 36427) Ryff, Carol D.; Kitayama, Shinobu; Karasawa, Mayumi; et al.