Combined and Comparative Metrics
Contents
8.1.1 Combining Metrics Based on Target Goals
8.1.2 Combining Metrics Based on Percentages
8.1.3 Combining Metrics Based on Z Scores
8.1.4 Using Single Usability Metric
8.3 Comparison to Goals and Expert Performance
Usability data are building blocks. Each piece of usability data can be used to create new metrics. Raw usability data can include task completion rates, time on task, or self-reported ease of use. All of these usability data can be used to derive new metrics that were not available previously, such as an overall usability metric or some type of “usability ...
Get Measuring the User Experience, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
