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. Survey of Church Membership, 1971 (ICPSR 7520) National Council of Churches of Christ in the USA 2. Youth Development Study, 1988-2011 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T.