Search Results Use the search box below to revise your search, or start a new search. Studies (1) Variables Publications Your query returned 1 studies. Series results are grouped under the most relevant study. Ungroup series results to view all 1 results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Carolina Abecedarian Project and the Carolina Approach to Responsive Education (CARE), 1972-1992 (ICPSR 4091) Ramey, Craig T.; Gallagher, James J.; Campbell, Frances; et al.