Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.
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Transcript of Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.
![Page 1: Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.](https://reader034.fdocuments.net/reader034/viewer/2022051820/56649ddf5503460f94ad98cb/html5/thumbnails/1.jpg)
Design for Just One Person? Investigation of personas in web design
Alistair Edwards
http://www-users.cs.york.ac.uk/~alistair
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Acknowledgement
A project by Aiwen Tau, MSc HCIT student 2011-12
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Personas
Invented by Alan Cooper
The Inmates are Running the Asylum
More in UCDE – and WEBD
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A persona
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Uses of personas
Should be typical of intended users
May require some research
Enable designers to talk in concrete terms
e.g.
‘That will be OK for Matthew when he’s at work, but at home he uses a dial-up connection, which will be slow. Maybe we need a stripped-down option for low bandwidth?’
![Page 6: Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.](https://reader034.fdocuments.net/reader034/viewer/2022051820/56649ddf5503460f94ad98cb/html5/thumbnails/6.jpg)
Effectiveness of personas
A attractive idea
But how do we know they really work?
Different users might have different perceptions of a persona
and hence effectively be designing for different people
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Aiwen’s experiment
Create a website with 5 different personas
For each persona show 4 different webpage designs
Ask participants which page they think the persona would prefer
![Page 8: Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.](https://reader034.fdocuments.net/reader034/viewer/2022051820/56649ddf5503460f94ad98cb/html5/thumbnails/8.jpg)
Emily
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Emily’s sites
A C
B D
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Kay
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Jin
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Thomas
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Jessica
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Results
Do people consistently match personas to websites?
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Emily
X2 = 15.4737, df = 3, p = 0.001453
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
Website
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Kay
X2 = 16.974, df = 3, p = 0.0007155
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
Website
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Jin
X2 = 46.6316, df = 3, p = 4.163e-10
A B C D0%
10%
20%
30%
40%
50%
60%
70%
Website
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Thomas
X2 = 23.4737, df = 3, p = 3.217e-05
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
Website
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Jessica
X2 = 16.4211, df = 3, p = 0.0009294
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
Website
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Results
Do people consistently match personas to websites?
Yes!
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Influence of pictures
How important is the portrait?
Might people be unduly influenced by the picture
Matching to their impression of the picture, not the description?
No guidance in the literature
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Influence of pictures
Participants saw one of two pictures for each persona
Each one manipulated one aspect of the persona’s appearanceEmily
age
Kay
gender
Jin
race
Thomas
disability
Jessica
mood
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Emily
Age
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Kay
Gender (text was also manipulated)
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Jin
Race
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Thomas
Disability
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Jessica
Mood
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Results
Does the picture unduly influence people’s choices?
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Results
A B C D0%
5%
10%
15%
20%
25%
30%
Emily
Picture 1
Picture 2
A B C D0%
5%
10%
15%
20%
25%
30%Kay
Picture 1
Picture 2
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
Jin
Picture 1
Picture 2
A B C D0%
5%
10%
15%
20%
25%
Jessica
Picture 1
Picture 2
![Page 30: Design for Just One Person? Investigation of personas in web design Alistair Edwards alistair.](https://reader034.fdocuments.net/reader034/viewer/2022051820/56649ddf5503460f94ad98cb/html5/thumbnails/30.jpg)
Results
A B C D0%
5%
10%
15%
20%
25%
30%
Thomas
Picture 1
Picture 2
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Results
Does the picture unduly influence people’s choices?
No
none of the differences was significant
Nearest to significance was Jin (race)
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Jin
A B C D0%
5%
10%
15%
20%
25%
30%
35%
40%
Jin
Picture 1
Picture 2
X2=7.6254, df=3, p=0.05442
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Results
1. Participants consistently match personas to websites
Significant differences
2. They are not unduly influenced by the picture
No significant differences
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Participants
76 volunteers recruited by personal contacts and via the web
But personas are used by designers
Perhaps web designers are different?
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Web developers
50 web developers were recruited to repeat the experiments
Thanks to Dave Swallow
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Results
Distribution of matching personas to websites by web developers was not different to that of ‘ordinary people’
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Discussion
Scope is limited
Matching personas to images of websites
We were lucky
Sites could not be targeted at either picture
Some of the original participants might be web developers
Investigating them was an afterthought
Did not expect to recruit so many
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Discussion
There was an element of deception in the experiment
Participants will be sent a copy of the report in which this will be revealled
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Conclusions
1. People consistently match personas to websites
2. They are not unduly influenced by the picture
3. These results hold equally well for web developers and non-experts