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), 1995-1996 (ICPSR 2760) Brim, Orville G.; Baltes, Paul B.; Bumpass, Larry L.; et al. 2. National Survey of Midlife Development in the United States (MIDUS 3), 2013-2014 (ICPSR 36346) Ryff, Carol; Almeida, David; Ayanian, John; et al.