CS147-2009-02-Design

CS147-2009-02-Design - stanford hci group...

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stanford hci group http:// cs 147.stanford.edu Scott Klemmer Autumn 2009 Human-Centered Design
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Recap: Course Overview • Project-based course • Weekly assignments, due Thursday noon • Two weekly lectures, studio • Final project presentations: Tuesday 12/8, 7p-10p
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Human-Centered Design Users’ tasks and goals are the driving force behind development Users are consulted throughout development All design decisions are taken from within the context of the users, their work, and their environment Attentive to human abilities, goals, and desires
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Why is HCI Important? Major part of work for “real” programs – approximately 50% Bad user interfaces cost – money 5% satisfaction up to 85% proFts • Fnding problems early makes them easier to Fx – reputation of organization (e.g., brand loyalty) – lives (Therac-25) User interfaces hard to get right – people are unpredictable – intuition of designers often wrong Studies have shown that the design, programming, and evaluation of the UI can take up to 50% of the project time and cost for a wide range of commercial and in-house software Nearly 25% of all applications projects fail. Why? others complete, but are too hard to learn/use Solution is user-centered design. Why? can help keep a product on schedule finding problems early makes them easier to fix! training costs reduced
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User Interface Development Process Design Exploration Evaluate Production Proposal: Demos/ Lo Fi Prototypes (How) Work together to realize the design in detail Evaluate with Customers Design Discovery Customers, Products, Business, Marketing Customers, Products, Business, Marketing Design Definition: - Design Problem Statement - Targeted User Roles (Who) - Targeted User Tasks (What) - Design Direction Statements Specification:
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This note was uploaded on 01/12/2010 for the course CS 147 at Stanford.

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CS147-2009-02-Design - stanford hci group...

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