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Understanding User Design Principles through Cognitive Dimensions and GUEPs

This class session explores foundational themes in design principles, cognitive dimensions, and user expectations. The discussion focuses on understanding what users want, interpreted through the design principle hierarchy and general user experience principles (GUEPs). Students are tasked with relating cognitive dimensions to design guidelines and analyzing real-world mapping systems like Google Maps and Mapquest. Class exercises include evaluating design failures, matching cognitive dimensions with GUEPs, and developing a comprehensive understanding of user-centered design approaches.

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Understanding User Design Principles through Cognitive Dimensions and GUEPs

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  1. CSC 8570 -- USI Class Meeting 6 September 27, 2006

  2. Themes • Models, theories, frameworks Form a foundation for understanding • What users want (What do they want?) Which is interpreted by the • Design principle hierarchy • GUEPs • General design principles • Implementable design guidelines

  3. Themes (2) Users are directed in their approach to a system by • Mental models And • The cognitive dimensions of understanding (which describes ways of thinking).

  4. Themes (3) We have devised a path from abstraction to implementation • Cognitive dimensions • GUEPs • Design principles • Task analysis

  5. Example • What do you want from a mapping system? • Does this match with what the system provides? • Explore • Mapquest • Google Maps • Yahoo Maps • Mappy.com • AAA.com • Microsoft Streets and Trips

  6. Class Exercise • Create union list of bad interface components • Describe difficulties in terms of • Failures to match design principles • Failures to build on cognitive dimensions

  7. Class Exercise Match the 14 cognitive dimensions to the 9 GUEPs looking for overlapping and orthogonal ideas. For class, you will be assigned 3 cognitive dimensions to explore. In general, see Experiment 1

  8. Experiment 1 Match the 14 cognitive dimensions to the 9 GUEPs looking for overlapping and orthogonal ideas. Create a 14 by 9 array whose cell entries describe the relationship between the ith CD and the jth GUEP

  9. Exercise For your assigned button on Windows Explorer, determine • Its syntax • Its semantics • Which cognitive dimensions and which GUEPs its behavior exemplifies. Hand in your written report next time.

  10. Back Forward Search Folders Views Go Name Size Type Date modified X (right of Folders) ↓ (next to dialog box) View File Button Assignment

  11. Next Time • Continue work on research project, completing experimental material and IRB form • Read Carroll, MTF Chapter 10 • Discover some recent results on electronically mediated communication and be prepared to describe them. • Button Exercise (see above)

  12. Research Team Meetings

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