Chapter 2
Quantifying user research
Abstract
User research is a broad term that encompasses many methodologies, such as usability testing, surveys, questionnaires, and site visits, that generate quantifiable outcomes. Usability testing is a central activity in user research and typically generates the metrics of completion rates, task times, errors, satisfaction data, and user interface problems. You can quantify data from small sample sizes and use statistics to draw conclusions. Even open-ended comments and problem descriptions can be categorized and quantified.
Keywords
user research
usability testing
formative
summative
benchmarking
comparative
completion rates
usability problems
task time
satisfaction ratings
combined scores
A/B testing
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