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CHAPTER 11. Analysis and Interpretation ... > Introduction: How to Analyze and Int... - Pg. 328

328 User Experience Re-Mastered: Your Guide to Getting the Right Design INTRODUCTION: HOW TO ANALYZE AND INTERPRET DATA FROM YOUR EVALUATION An evaluation session generates a large amount of data. After the session, you will have at least some, if not all, of the following data items: Background data about the participant Notes made by the evaluator(s) Audio or video recordings Completed data collection forms Quantitative data on times, errors, and other usability metrics Quantitative (and possibly qualitative) data from pre- and post­session questionnaires Retrospective protocols A list of any usability problems identified during the observations The process of analysis is concerned with turning the evaluation data collected into information from which you can make decisions. We will describe three steps in the analysis of evaluation: Collating the data