Scott McCoy Peter V. Marks Christopher L. Carr Victor Wacham A. Mbarika Electronic Versus Paper Surveys: Analysis of Potential Psychometric Biases. 2004 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2004.1265634 db/conf/hicss/hicss2004-8.html#McCoyMCM04