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. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Improving Prison Classification Procedures in Vermont: Applying an Interaction Model, 1983-1985 (ICPSR 8933) Apao, William K.