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: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. Survey of Midlife Development in Japan (MIDJA), April-September 2008 (ICPSR 30822) Ryff, Carol D.; Kitayam, Shinobu; Karasawa, Mayumi; et al. 2. Survey of Midlife Development in Japan (MIDJA): Biomarker Project, 2009-2010 (ICPSR 34969) Markus, Hazel; Coe, Christopher; Ryff, Carol; et al.