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Michael CrabbUniversity of Dundee, Scotland, UK.
Human Cognitive Measurement as a Metric within Usability Studies
Friday, 17 May 13
2
Michael CrabbUniversity of Dundee, Scotland, UK.
Human Cognitive Measurement as a Metric within Usability Studies
Friday, 17 May 13
User 1 User 2
Spot the Difference...
Age 85 Age 85
Friday, 17 May 13
Related Work
Friday, 17 May 13
Understanding the role of age and fluid intelligence
in information search(Trewin, S. et al. 2012)
Adaptive information search: age-dependent interactions between cognitive profiles and strategies(Chin, J.2009)
Factors predicting the use of technology: Findings from the center for research and education on aging and technology enhancement (CREATE)(Czaja, S.et al. 2006)
Computer use by older adults: A multi-
disciplinary review(Wagner N. et al 2010)
Cognition, Age, and Web Browsing
(Hanson, V. L.2009)
Related Work
Friday, 17 May 13
AgeInternet Usage
Internet ExperienceFluid IntelligenceProcessing Speed
Short Term MemoryLong Term Memory
independ
ent varia
bles
participants
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participants
Cognitive Testing Battery
Information Retrieval Task
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User Characteristics
Disorientation
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User Characteristics
Disorientation
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Friday, 17 May 13
Friday, 17 May 13
Older Adults Younger Adults
R2 = .427
R2 = .272
R2 = .017
R2 = .246
R2 = .098
R2 = .0.15
Age
Previous Internet Factors
Cognitive Factors
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Diso
rien
tati
on
Diso
rien
tati
on
Older Adults Younger Adults
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Processing Speed
Diso
rien
tati
on
Diso
rien
tati
on
Older Adults Younger Adults
Internet Confidence
Friday, 17 May 13
Processing Speed
Diso
rien
tati
on
Diso
rien
tati
on
Older Adults Younger Adults
Short Term Memory
Fluid Intelligence
Internet Confidence
Internet Confidence
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keyfindings
‣Cognitive abilities are better predictors than age
‣ Increase in experience doesn’t always mean increase in ability
‣Analyzing cognitive profiles are only half the story
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12
Whats n2t?
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AcknowledgmentsProf. Vicki L. Hanson,Marianne Dee,Lesley McIntyre,Andy Cobley,Kyle Montague.
This research is supported by RCUK grant EP/G066019/1 “RCUK Hub: Inclusion in the Digital
Economy”.
Friday, 17 May 13
Summary... Michael CrabbUniversity of Dundee, UK.
Friday, 17 May 13
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USER C
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Summary... Michael CrabbUniversity of Dundee, UK.
I useTHIS
Friday, 17 May 13