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HCI Human-Computer Interaction What is it? What will you be doing this semester? Where is the technology?

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Presentation on theme: "HCI Human-Computer Interaction What is it? What will you be doing this semester? Where is the technology?"— Presentation transcript:

1 HCI Human-Computer Interaction What is it? What will you be doing this semester? Where is the technology?

2 The user interface was once the last part of a system to be designed. Now it is the first. It is recognized as being primary because, to novices and professionals alike, what is presented to one’s senses is one’s computer. Kay, A. (1984). Computer software. Scientific American, 251(3),

3 HCI matters In general, interfaces are a very large part of effort of system Financial impact – Make or break Creating good user experiences with systems is hard achieve – Lesson 1: You cannot rely on intuition – Lesson 2: HCI techniques can really help – Lesson 3: Hard work, using established techniques, is the secret (not brilliant insight by the gifted lazy)

4 What is involved in the process of interaction design While not done well enough: Understand users Establish requirements Brainstorm alternatives creatively Prototyping alternative Evaluate these Reflect on strengths and weaknesses of prototypes

5 Well enough? Assess the user experience: Minimally assess “usability” – effectiveness, efficiency and satisfaction with which specified users achieve specified goals in particular environments. (http://www.w3.org/2002/Talks/0104-usabilityprocess/slide3-0.html, visited Aug 2013)http://www.w3.org/2002/Talks/0104-usabilityprocess/slide3-0.html Accessibility Focus on relevant users Broader experience

6 6www.id-book.com HCI, design and engineering Image from resources for Rogers et al, 2011 (at SciTech library)

7 7www.id-book.com User experience goals Desirable aspects satisfyinghelpfulfun enjoyable motivatingprovocative engagingchallengingsurprising pleasurableenhancing sociabilityrewarding excitingsupporting creativityemotionally fulfilling entertainingcognitively stimulating Undesirable aspects boringunpleasant frustratingpatronizing making one feel guiltymaking one feel stupid annoyingcutesy childishgimmicky

8 Goals of INFO3315 Learn about the range of techniques to: Understand users Establish requirements Brainstorm alternatives creatively Prototyping alternative Evaluate these Reflect on strengths and weaknesses of prototypes Learn how to actually use a core set of these techniques


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