Likert-type scales, statistical methods, and effect sizes
Judy Robertson · Communications of the ACM · 2012
The Communications Web site, http://cacm.acm.org, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications , we'll publish selected posts or excerpts. twitter Follow us on Twitter at http://twitter.com/blogCACM http://cacm.acm.org/blogs/blog-cacm Judy Robertson writes about researchers' use of the wrong statistical techniques to analyze attitude questionnaires.