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. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Early Identification of the Chronic Offender, [1978-1980: California] (ICPSR 8226) Haapanen, Rudy A.; Jesness, Carl F. 2. Longitudinal Study of Criminal Career Patterns of Former California Youth Authority Wards, 1965-1984 (ICPSR 2478) Haapanen, Rudy A.