B5.09
Effectiveness, Efficiency, and Satisfaction
Cards in this group · 4
- B5.09.1Effectiveness is measured by accuracy and completeness of task outcomes, not by completion rate alone
- B5.09.2Efficiency's denominator is a resource—time, steps, or cognitive effort—and the report must say which
- B5.09.3Satisfaction is a subjective judgment, correlated with performance but not inferable from it
- B5.09.4Gains on the three dimensions can offset each other; report them separately instead of merging into one score