Usability Metrics
You are about to launch a major change to the user interface of your company’s website. What sort of metrics would you want to monitor to notify you if there’s a problem?
Gayle Laakmann McDowell, Jackie Bavaro • Cracking the PM Interview: How to Land a Product Manager Job in Technology (Cracking the Interview & Career)
multipoint scale (such as usability
Jeff Sauro • Quantifying the User Experience: Practical Statistics for User Research
Just because the goal is to find and fix as many problems as you can does not mean there is no opportunity for quantification. You can quantify the problems in terms of frequency and severity, track which users encountered which problems, measure how long it took them to complete tasks, and determine whether they completed the tasks successfully.
Jeff Sauro • Quantifying the User Experience: Practical Statistics for User Research
Loop11 (www.Loop11.com). This usability tool enables you to get many more task completion feedback responses for a much cheaper rate than UserTesting.com (at the time of writing this is $350 per 1,000 visitors being tested). A benefit of using this tool is that you can gain feedback from your actual visitors on your website