Usability For e-government systems
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The document discusses the usability evaluation of e-government services, highlighting the definition and importance of usability in achieving effectiveness and satisfaction. It explores common usability problems, methods for evaluation including heuristic evaluation and usability testing, and emphasizes the need for combining techniques to improve usability outcomes. The conclusion suggests leveraging both heuristic evaluations and usability testing methods for better results.
Usability For e-government systems
- 2. Outline: Background Usability E-government usability Usability problems Usability Methods Heuristic evaluation Usability Testing Conclusion and future work
- 3. Usability The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use.
- 4. E-government usability since 1990s with U.S government Usability.gov (the official U.S. Government website managed by the U.S. Department of Health and Human Services).
- 5. Usability problems Usability problem is: any aspect of the user interface which might create difficulties to the user with respect to an important usability indicator (such as: ease to understanding, ease of learning, ease of use, and subjective user satisfaction). Examples: Window stop the user from complete next phase critical problem Bad navigation and poor feedback are minor problems Screen layout and lack of colors can be cosmetic problems.
- 7. Heuristic evaluation What ? When? How? Who? Advantage & disadvantages? Review or “ inspection ” of a product by usability experts Usability Methods
- 9. Usability Testing What ? When? How? Who? Advantage & disadvantages? Usability Methods Formative testing , summative testing Lab Testing , Field Testing , Remote testing The activity that focuses on observing users working with a product, performing tasks that are real and meaningful to them
- 10. Usability Testing Teqniques: post-test questioners • SUS (System Usability Scale questioners) • CSUQ (Computer Scale Usability Questioners) Think-aloud strategy • encourage the participant to share his or her thoughts with you while working with the product. Usability Methods
- 11. post-test questioners Source: from ACM website http://oldwww.acm.org/perlman/question.cgi?form=CSUQ
- 12. Conclusion and future work Use the two ways and get the advantages of both ways . Heuristic evaluation Usability Testing Using post-test questioners Recheck the work
- 13. Questions ? Usability evaluation for e-government services
Editor's Notes
- #8: Heuristic is set of rules