CHI Student Research Competition 2013

1

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

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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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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

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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

To turn

THISGroup A

Group B

To understand

THISINTOTHIS

USER A

USER B

USER C

IC

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IU

IC

Gf

Ps

Gsm

Glr

IU

IC

Gf

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IU

Summary... Michael CrabbUniversity of Dundee, UK.

I useTHIS

Friday, 17 May 13