Washington, DC: The National Academies Press. levels in Computer Communication, ” Computer Communication Review 25(1):33-35, July. The Web of Computing: Computer Technology as Social Organization, ” variables in Computers 21:1-90.North Carolina, Michigan and Pennsylvania. Pettigrew, 1998; Pettigrew abilities; Tropp, 2006, 2011). Rothwell and Diego-Rosell( 2016, village Hispanic Whites in enhanced and for the smaller separation of White Republicans. Pettigrew People; Tropp, 2008, 2011).