Visual Distractors can measure game attention
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Transcript of Visual Distractors can measure game attention
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Visual distractors can measure game attentionSupervisors: Paul Cairns and Gustav Kuhn
Joe CuttingIGGI PhD student, University of York
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The games industry is an uncertain business
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Angry Birds was the 51st game made by Rovio
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King has made over 200 games but only one Candy Crush Saga
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“You haven’t reallyexperienced the games industry until you’ve been laid off”Lizi Atwood, Furious Bee
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Predicting how much people will like a game could reduce the uncertainty
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We can use questionnaires
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People liePeople liePeople don’t always tell you their complete mental state
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Alien Isolation wins Bafta
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“The teenage playtesterstold us they weren’t scared – even though they were”Gary Napper,
Chief Designer Alien Isolation
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We used skin conductance measures to tune the AI director in Left 4 Dead 2Mike Ambinder,
Psychologist ValveAmbinder, 2011
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Two dots
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Good games keep your attention and stop you being distracted
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Played 10 audio clips while people were playing games.
Charlene Jennett, UCL
More immersed in the game the fewer clips they remembered hearing.
Jennett 2010
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But what if the audio plays during the best bit of the game?
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Lets use visual distractors instead
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Asked people to look at 1,000 pictures
Lionel Standing,Bishops University, Canada
5 seconds / picture. Remembered 95% of vivid picturesRemembered 91% of pictures
Standing 1973
“a dog holding a pipe in its mouth”
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Good game: Clone of Two dots
Experiment design10 people played this game
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Greg Costikyan, Game Designer
Uncertainty is the key to why games are appealing
Costikyan 2013
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Bad game: Two dots without uncertainty
10 other people played this game
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Two dots gameDistractors from Webdings font, change every 5 seconds
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Two dots gameGame surrounded by distractors
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Two dots gameTested on distractors afterwards
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Results of Symbol Test30 questions. Expected value 15
Good=13.0, Bad=19.4Means
Significancep<0.001
Effect sizeCohen’s d =-1.8
30
20
10
Good Bad
Sym
bols
rem
embe
red
0
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Results of Immersion Questionnaire
Good=110.2, Bad = 84.6Means
Significancep<0.001
Effect sizeCohen’s d =2.0
0
40
80
120
Imm
ersio
n sco
re
Good Bad
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Conclusions
Participants were more immersed in the game that held their attention the best.
Symbols recalled is related to how well game holds your attention.
Visual distractors may be an effective way ofmeasuring attention and engagement in digital games.
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What’s next?
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Two dots gameTry with two games more similar
Uncertainty but no challenge Challenge but no uncertainty
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Two dots gameMake the distractors more distracting
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Two dots gameUse eyetracking to see where people actually look
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Thank [email protected]