%0 Web Page %D 2011 %T Stats: We're Doing It Wrong %A Judy Robertson %I ACM %U http://cacm.acm.org/blogs/blog-cacm/107125-stats-were-doing-it-wrong/fulltext %X It's quite common for HCI or computer science education researchers to use attitude questionnaires to examine people's opinions of new software or teaching interventions. These are often on a likert-type scale of strongly agree to strongly disagree. And the sad truth is that researchers typically use the wrong statistical techniques to analyse them.