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. 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. National Evaluation of the Safe Start Promising Approaches Initiative, 2006-2010 (ICPSR 34740) Jaycox, Lisa H.; Hickman, Laura J.; Schultz, Dana 2. Neighborhood Violence in Pittsburgh, Pennsylvania, 1996-2007 (ICPSR 28441) Wilson, Jeremy M.; Chermak, Steven; McGarrell, Edmund F.