File Manifest for ICPSR 13608 Earls, F J., Jeanne Brooks-Gunn, Stephen W. Raudenbush, and Robert J. Sampson. PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): MASTER FILE, WAVE 2, 1997-2000 [Computer file]. ICPSR13608-v1. Boston, MA: Harvard Medical School [producer], 2002. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2005-12-06. doi:10.3886/ICPSR13608 Details on the version history can be found below the file listings. Study-level Documentation Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 13608-related_literature.txt - - - 2009-11-28 - 13608-manifest.txt - - - 2009-11-29 - DS0001 Project on Human Development in Chicago Neighborhoods (PHDCN): Master File, Wave 2, 1997-2000 Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 13608-0001-Codebook.pdf - - - 2005-12-05 909a30e6bf619535dc9f1d9868754046 13608-0001-Questionnaire.pdf - - - 2005-12-05 222947d2ec0658d88e1aaa53f8f53945 Version History 2005-12-06 The study was originally released without restricted variables. It was then decided that certain variables needed to be restricted so both public use and restricted use files were created. The public use files have certain variables restricted, while the restricted use files allow users full access to the original data. See RESTRICTIONS for more details.