Study Search Results Your query returned 2 results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Consequences of Introducing Educational Testing in Northern Ireland, 1973-1977 (ICPSR 7790) Airasian, Peter W.; Madaus, George F.; Kellaghan, Thomas 2. Longitudinal Study of American Youth, 1987-1994, 2007-2011 (ICPSR 30263) Miller, Jon D.