Barry Wellman writes:
PS: Nancy Baym discussed the Copher finding, "the more (online), the more offline" in Wellman-Haythornthwaite's Internet in Everyday Life. same finding appears in Quan, et al and Boase, Chen & Wellman, altho we didn't select articles on that basis. Pew studies find the same thing.
As does Castells, et al in Catalonia.
Bernie Hogan finds a softer version: Internet use doesn't seem to lower other forms of communication (ASA conf, last August). I am starting to think this is a reliable finding, at least in the soft version.
My colleagues and I also report the same finding in a college student sample (more use of internet is correlated with more f2f and telephone communication) in an article to be published in New Media and Society later this year. Nancy