Learning, Memory and Attention - HCI - EPFL

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What is a user-friendly interface! • “Easier to use” is easy to say, but it suggests little about how to reduce errors and frustration and promote faster learning. • The definition of a user-friendly interface should be reformulated as “how can we accelerate the process whereby novices begin to perform like experts.” • Advance the elevation stage of the learning curve. Prof. Dr. Pearl Pu 18
Acquisition of cognitive skills • Anderson (1980) • Experts and novices differ in the coarseness of granularity with which they view the constituent elements of a particular problem or task. Prof. Dr. Pearl Pu 19
Page 1 and 2: School of Computer and Communicatio
Page 3 and 4: Learning • Acquiring - New concep
Page 5 and 6: Minimize learning by metaphors •
Page 7 and 8: Design metaphors • Ensure emotion
Page 9 and 10: Metaphors continued • Caveat - Me
Page 11 and 12: Metaphors continued • Caveat - Me
Page 13 and 14: Small exercises • Design a set of
Page 15 and 16: Prof. Dr. Pearl Pu 13
Page 17 and 18: Consistency of screens (display ine
Page 19: Still on learning • Model of how
Page 23 and 24: Experts: solve large chunks of prob
Page 25 and 26: Tdoff: power tools vs. loss of cont
Page 27 and 28: Example 2 : design tools for kitche
Page 29 and 30: Intermittent users • Intermittent
Page 31 and 32: Frequent users • Frequent and exp
Page 33 and 34: Memory: is what people forget with
Page 35 and 36: Recog. vs. recall • Ask users to
Page 37 and 38: Minimize user’s memory load • D
Page 39 and 40: Where we are • Model of how our m
Page 41 and 42: Techniques for getting attention
Page 43 and 44: GET users’ ATTENTION judiciously
Page 45 and 46: Use of fonts • Use no more than f
Page 47 and 48: Background colors • Background of
Page 49 and 50: Background colors • Consider colo
Page 51 and 52: Allocation of attention • On the
Page 53 and 54: Routinized tasks • A routine task
Page 55 and 56: ! Humans can do one problem-solving
Page 57: Consequence to interface design •

Learning, Memory and Attention - HCI - EPFL

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