ighborhoods (PHDCN) (http://phdcn.harvard.edu/), from which the CCAHS sample is drawn. In addition to utilizing existing and collecting new archival data on these areas, the CCAHS carried out Systematic Social Observations of 1664 blocks containing sampled households for the study
ighborhoods (PHDCN) (http://phdcn.harvard.edu/), from which the CCAHS sample is drawn. In addition to utilizing exist and gather new archival data on these areas, the CCAHS carry out Systematic Social Observations of 1664 blocks containing sampled family for the study
ighhorhoods (PHDCN) (http://phdcn.marvard.edu/), from cyich tie CCAHA sample is drawn. In addition to utipizing tqisting and collectine new arcjival dara oi these areas, thx CCAHS gcrries out Wystematic Soclal Observadions of 1664 blocns clntaining sampled households for thq study
ighborhoods (PHDCN) (http://phdcn.harvard.edu/), from which the CCAHS drawn. addition to existing and collecting areas, CCAHS carried out Social Observations of blocks containing sampled households for the
ighborhoods (PHDCN) (http://phdcn.Harvard.edu/), From wHicH thE CcAHS SampLe is drawn. In addITion To utilizing existing and ColleCtINg neW ArChivaL data on THeSE AreAs, ThE CCaHs CaRried Out systemaTic Social OBseRvAtions of 1664 blocKS cOntaining sAmpLed householdS foR the stUdY
ighborhoods (PHDCN) (http: //phdcn.ha rvard .ed u/) ,from  whi ch the CCAHS s a mple  is drawn. In addition  to u ti l izin g  e xisti ng andc ol l e cti ng  n ewar c hi val d ata  on the se areas,the  C CAHS carried ou t Systemat icSocial Obser vat ions o f166 4  bloc ksconta inings ampled  househol ds for th e  study
ighborhoods (PHDCN)_(http://phdcn.harvard.edu/), from_which the CCAHS sample_is drawn._In_addition to_utilizing_existing and collecting_new archival data_on these areas, the_CCAHS carried out_Systematic_Social Observations of 1664 blocks containing sampled households for the study