%0 Journal Article %T Item-Level Nonresponse Rates in an Attitudinal Survey of Teachers Delivered via Mail and Web %A Wolfe, Edward W. %A Converse, Patrick D. %A Oswald, Frederick L. %J Journal of Computer-Mediated Communication %V 14 %N 1 %P 35-66 %D 2008-10-01 %I International Communication Association %~ DeepDyve