“…Could you tell me whether or not you are a member of each type?" The list includes fraternal groups, service clubs, veterans' groups, political clubs, labor unions, sports groups, youth groups, school service groups, hobby or garden clubs, school fraternities or sororities, nationality groups, farm organizations, literary, art, discussion or study groups, 1 The rise in network isolation observed in the 2004 GSS data has been analyzed in great detail (e.g., Lee and Bearman 2016;Paik and Sanchagrin 2013). The present findings concerning personal networks are substantively unchanged if the 2004 data are omitted from multiyear regressions presented here.…”