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Another common way of looking at binary success is by user or type of user. As always in reporting usability data, you should be careful to maintain the anonymity of users in the study using numbers or other nonidentifiable descriptors. The main value of looking at success data from a user perspective is that you can identify different groups of users who perform differently or encounter different sets of problems. Here are some of the common ways to segment different users:


Cover of Measuring the User Experience, 2nd Edition


DAWSON REPORT - those that were students for different length of times might have different information seeking abilities