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2/26/2013
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Chapter 7: Data Analysis, Interpretation, and Presentation Anna Loparev
Intro HCI
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Qualitative vs. quantitative
2
Data analysis
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Qualitative vs. quantitative
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Data analysis
• Raw data
• Qualitative data
• Quantitative data
• Initial processing
https://en.wikipedia.org/wiki/Mario
Key Issues
4
Data Analysis
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Interpretation
5 https://richardwiseman.wordpress.com/2011/05/17/what-do-you-see-when-you-look-at-this-14/
Key issues
Claims
6
Key issues
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Presentation
7
Key issues
Quantitative Analysis
8
Data Analysis
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Averages
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Quantitative analysis
1 2
3
4
5
Tables and graphs
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Quantitative analysis
http://www.utimesonline.com/top-stories/2012/01/10/population-shifts-in-district-change-face-of-segregation/attachment/bar-graph-online/
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Tables and graphs
11
Quantitative analysis
http://www.jpowered.com/php-scripts/adv-graph-chart/demo/vbar/index.htm
Example
12
Quantitative analysis
http://venturebeat.com/2011/06/24/star-wars-galaxies-shuts-down/121004_sonygame/
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Example
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Quantitative analysis
www.id-book.com
Example
14
Quantitative analysis
www.id-book.com
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Qualitative Analysis
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Data Analysis
Identify patterns and themes
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Qualitative analysis
https://en.wikipedia.org/wiki/File:Fractal_Broccoli.jpg
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Categorizing data
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Qualitative analysis
Categorizing data: Content analysis
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Qualitative analysis
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Categorizing data: Discourse analysis
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Qualitative analysis
Categorizing data: Conversation analysis
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Qualitative analysis
http://www.iconarchive.com/show/must-have-icons-by-visualpharm/Zoom-Out-icon.html
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Critical incidents
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Qualitative analysis
Theoretical Frameworks
22
Data Analysis
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Grounded Theory
23
Theoretical frameworks
Coding: Open coding
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Grounded theory
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Grounded theory
https://www.emeraldinsight.com/journals.htm?articleid=1838289&show=html
Coding: Axial coding
Coding: Selective coding
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Grounded theory
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Question data
27
Grounded theory
Levels of analysis
28
Grounded theory
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Comparisons
29
Grounded theory
Distributed cognition
30
Theoretical frameworks
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Granularity
31
Distributed cognition
Immersion
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Distributed cognition
http://starwars.wikia.com/wiki/Stormtrooper
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Understand work practices
33
Distributed cognition
http://starwars.wikia.com/wiki/Stormtrooper
Cognitive system
34
Distributed cognition
http://starwars.wikia.com/wiki/Stormtrooper
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Communication pathways
35
Distributed cognition
Propagation of representational states
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Distributed cognition
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Benefits
37
Distributed cognition
http://www.geekjuicemedia.com/12/post/2012/03/youth-is-wasted-on-the-young.html
Benefits
38
Distributed cognition
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Example
39
Distributed cognition
Your turn
40
Distributed cognition
http://nintendo.wikia.com/wiki/Dr._Mario_%28character%29
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Activity theory
42
Theoretical frameworks
Individual model
43
Activity theory
www.id-book.com, https://en.wikipedia.org/wiki/Mario
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Physical artifacts
44
Activity theory
Abstract artifacts
45
Activity theory
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Social context
46
Activity theory
Overall system
47
Activity theory
www.id-book.com, https://en.wikipedia.org/wiki/Mario
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Presentation
48
Data Analysis
Rigorous notation
49
Presentation
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Stories
50
Presentation
Summary
51
Presentation
http://bltsays.blogspot.com/2010/08/my-very-own-cliffs-notes.html