1 SY DE 542 An Atypical Example of EID March 21, 2005 R. Chow
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Transcript of 1 SY DE 542 An Atypical Example of EID March 21, 2005 R. Chow
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The Problem with Gambling• Estimated # of problem gamblers
– In US: 5,500,000 (1999 figures)– In Canada: 600,000 – 1,200,000 (1996 figures)
• Key factor: access to gambling opportunities– Consider new casinos along Canada-US border– Online casinos
• EID to reduce problem gambling– 542 project by Pascale Proulx– Specific focus: Video poker
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Problem Gambling• Underestimate losses, chances of losing• Over-estimate chances of winning (back)• Results:
– Play longer … Lose more– Forget amount lost– Forget time played
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Why EID?
• Help user develop accurate mental model– odds of winning and losing
• Reduce memory load– Playing time– Amount won / lost
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Functional Purpose
• House:– Make Profit
• Client:– 90% say “Entertainment”– 84% say “Win Money”
(Burns and Proulx, 2002)
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Abstract Function
• Money Flow (House Client)• “Entertainment Value”
– Modelled as a Fun / Cost ratio– Non-problem Gamblers: Fun / Cost > 1– Problem Gamblers: Fun / Cost < 1
(i.e., cost increases over time, fun decreases over time)
(Burns and Proulx, 2002)
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Generalized Function
• Processes of:– Betting – Generating Results– Giving payoffs
(Burns and Proulx, 2002)
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Physical Function
• Money, Cards, Chips …
Physical Form
• Appearance and location of money, cards, chips …
(Burns and Proulx, 2002)
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Implementations
Setting the context – Money and Value (AF)(Burns and Proulx, 2002)
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Implementations
Metaphor of Cool vs. Dirty Dog (FP)(Burns and Proulx, 2002)
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(Burns and Proulx, 2002)