6Huang H M. Do Print and Web Surveys Provide the Same Results? [J]. Computers in Human Behavior, 2006(3).
7Shih T H, Fan X. Comparing Response Rates from Web and Mail Surveys. A Meta--Analysis[J]. Field Methods, 2008,20 (3).
8Kiesler S, Sproull L S. Response Effects in the Electronic Survey[J]. Public Opinion Quarterly, 1986,50(3).
9Boyer K K, Olson J R, Calantone R J, et al. Print Versus Electronic Surveys: A Comparison of Two Data Collection Methodologies[J]. Journal of Operations Management, 2002,20(4).
10Weible R, Wallace J. Cyber Research: The Impact of the Internet on Data Collection[J]. Marketing Research, 1998(10).
