12 search results - page 1 / 3 » Measuring usability: are effectiveness, efficiency, and sati... |
CHI
2000
ACM
13 years 9 months ago
2000
ACM
Usability comprises the aspects effectiveness, efficiency, and satisfaction. The correlations between these aspects are not well understood for complex tasks. We present data from...
CHI
2007
ACM
14 years 5 months ago
2007
ACM
Understanding the relation between usability measures seems crucial to deepen our conception of usability and to select the right measures for usability studies. We present a meta...
CHI
2005
ACM
14 years 5 months ago
2005
ACM
Current methods to represent system or task usability in a single metric do not include all the ANSI and ISO defined usability aspects: effectiveness, efficiency & satisfactio...
CHI
2009
ACM
14 years 5 months ago
2009
ACM
Correlations between prototypical usability metrics from 90 distinct usability tests were strong when measured at the task-level (r between .44 and .60). Using test-level satisfac...
INTERACT
1997
13 years 6 months ago
1997
The conventional assumption that quality is an attribute of a product is misleading, as the attributes required for quality will depend on how the product is used. Quality of use ...