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 results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. State of Preschool Yearbook: State-Funded Pre-K Program Data, 2011-2012 School Year (ICPSR 34942) Barnett, W. Steven; Carolan, Megan E.