Search Results Use the search box below to revise your search, or start a new search. Studies (4) Variables Publications Your query returned 4 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Adaptation Process of Cuban and Mexican Immigrants in the United States, 1972-1979 (ICPSR 9672) Portes, Alejandro 2. Intergenerational Study of Parents and Children, 1962-1993: [Detroit] (ICPSR 9902) Thornton, Arland; Freedman, Deborah 3. National Postsecondary Student Aid Survey, 1987 (ICPSR 9299) United States Department of Education. Institute of Education Sciences. National Center for Education Statistics 4. Swedish Adoption/Twin Study on Aging (SATSA), 1984, 1987, 1990, 1993, 2004, 2007, and 2010 (ICPSR 3843) Pedersen, Nancy L.