si688f09-Week8-IndivDiff

si688f09-Week8-IndivDiff - Individual Differences Mark W....

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Individual Differences Mark W. Newman SI 688 November 9,
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Today’s Goals What are the dimensions of individual difference that impact the design of interactive systems ? How do we account for individual difference in the way we design systems? What strategies exist for designing system for people with disabilities?
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Today’s Exercises Debate! Universal Design vs. Designing for Disabilities Small group assignment None! Start on Assignment #3
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Question #1 What are the dimensions of individual difference that impact the design of interactive systems? According to Norman: Performance differences Cognitive Abilities Personality Cognitive Styles
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An Example: Filers vs. Pilers http://listverse.com/2009/01/02/top-15-tips-designed-to-save-you- time/ Flickr: agrinberg
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Who Files? Who Piles? Ducheneaut & Bellotti “Email as Habitat” (interactions, 2001) Filers and Searchers Studies (Bälter, CHI 2000) suggest that relying on searching would be more efficient, yet over half of subjects had “complex filing systems” Is one better than the other? Lots of time management philosophies (e.g., Stephen Covey, GTD) emphasize the “clean desk policy” “Your desk is a reflection of your mind”
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A Pendaflex Market Research Study Pilers: 48% More likely to be democrats More likely to be professionals (doctors, lawyers, accountants) More likely to have a dog Filers: 38% More likely to be republicans More likely to be science and technology workers More likely to have a bird Tossers: 14% More likely to be independent or unregistered voters More likely to have a cat http://www.pendaflex.com/enUS/PressRelease/The_Psychology_of_Stacking.html
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Some Dimensions of Variability Personality Extraversion Openness to Experience Agreeableness Conscientiousness Neuroticism Cognitive Styles Field Dependence – Independence Analytic – Holistic Reflectic – Impulsive Visualizer – Verbalizer Need for Closure Locus of Control Convergent-Divergent Thinking Adaptive - Innovative
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My Personality
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Other Dimensions of Variability Cognitive Abilities: The Cattell-Horn-Carroll Theory Stratum II (broad) and Stratum I (narrow) abilities Fluid Intelligence/Reasoning ( Gf ):    The use of deliberate and controlled mental operations to solve novel “on the spot” problems (i.e., tasks that cannot be performed automatically). Mental operations often include drawing inferences, concept
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This note was uploaded on 12/16/2009 for the course SI 688 taught by Professor Staff during the Fall '08 term at University of Michigan.

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si688f09-Week8-IndivDiff - Individual Differences Mark W....

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