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CHI
2009
ACM
14 years 6 months ago
Correlations among prototypical usability metrics: evidence for the construct of usability
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...
Jeff Sauro, James R. Lewis
CHI
2007
ACM
14 years 6 months ago
Usability testing: what have we overlooked?
For more than a decade, the number of usability test participants has been a major theme of debate among usability practitioners and researchers keen to improve usability test per...
Gitte Lindgaard, Jarinee Chattratichart
OZCHI
2005
ACM
13 years 11 months ago
Do physiological data relate to traditional usability indexes?
Task performance data and subjective assessment data are widely used as usability measures in the human-computer interaction (HCI) field. Recently, physiology has also been explor...
Tao Lin, Masaki Omata, Wanhua Hu, Atsumi Imamiya