1. 1
Michael Crabb
University of Dundee, Scotland, UK.
Human Cognitive Measurement as a Metric within
Usability Studies
Friday, 17 May 13

2. 2
Michael Crabb
University of Dundee, Scotland, UK.
Human Cognitive Measurement as a Metric within
Usability Studies
Friday, 17 May 13

3. U!"r 1 U!"r 2
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A*" 85 A*" 85
Friday, 17 May 13

4. R"+,$"- W#r.
Friday, 17 May 13

5. 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)
R"+,$"- W#r.
Friday, 17 May 13

6. Age
Internet Usage
Internet Experience
Fluid Intelligence
Processing Speed
Short Term Memory
Long Term Memory
independentvariables
participants
Friday, 17 May 13

7. participants
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Information Retrieval Task
Friday, 17 May 13

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Friday, 17 May 13

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Friday, 17 May 13

10. Friday, 17 May 13

11. Friday, 17 May 13

12. O+-"r A-0+$! Y#0(*"r A-0+$!
R2
= .427
R2
= .272
R2
= .017
R2
= .246
R2
= .098
R2
= .0.15
Age
Previous Internet Factors
Cognitive Factors
Friday, 17 May 13

13. Disorientation
Disorientation
O+-"r A-0+$! Y#0(*"r A-0+$!
Friday, 17 May 13

14. Processing Speed
Disorientation
Disorientation
O+-"r A-0+$! Y#0(*"r A-0+$!
Internet Confidence
Friday, 17 May 13

15. Processing Speed
Disorientation
Disorientation
O+-"r A-0+$! Y#0(*"r A-0+$!
Short Term
Memory
Fluid Intelligence
Internet Confidence
Internet Confidence
Friday, 17 May 13

16. ."/
1(-&(*!
‣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
Friday, 17 May 13

17. 12
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Friday, 17 May 13

18. A).(#w+"-*3"($!
Prof. 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

19. S033,r/... M&)%,"+ Cr,bb
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Friday, 17 May 13

20. To turn
THIS
Group A
Group B
To understand
THIS
INTO
THIS
USER A
USER B
USER C
IC
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Ps
Gsm
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IU
IC
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U(&v"r!&$/ #f D0(-"", UK.
I use
THIS
Friday, 17 May 13