series: Midlife Development in the United States (MIDUS) Series > Study Search Results Your query returned 2 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. 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. 2. Survey of Midlife Development in Japan (MIDJA), April-September 2008 (ICPSR 30822) Ryff, Carol D.; Kitayam, Shinobu; Karasawa, Mayumi; et al.