Study Search Results Your query returned 1 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Current Population Survey, October 2007: School Enrollment and Internet Use Supplement (ICPSR 24401) United States Department of Commerce. Bureau of the Census; United States Department of Commerce. National Telecommunications and Information Administration; United States Department of Education. National Center for Education Statistics; et al.