Usability For e-government systems
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This presentation is part of research : USABILITY EVALUATION FOR E-GOVERNMENT SERVICES ; you can send me if you are interested on noraalriyes@yahoo.com
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This document discusses usability engineering and principles of usability. It defines usability and lists its key components and dimensions, including learnability, memorability, efficiency, errors, and satisfaction. The document also outlines the five Es of usability - efficient, error tolerant, effective, engaging, and explains usability testing and metrics. It provides an example of usability issues with early ATM machines and suggestions for improvement, such as simpler instructions and training. Overall, the document outlines important usability principles for designing systems that are useful, usable, and used.
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Why Is a UI/UX Test Essential Before Launching a New Website Feature?
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Universal usability engineering
Usability engineering is a field that is concerned generally with human-computer interaction and specifically with devising human-computer interfaces that have high usability or user friendliness. It provides structured methods for achieving efficiency and elegance in interface design.
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The document discusses the importance of usability testing in website and application design. It defines usability as how easy user interfaces are to use. The main points of usability testing are to inform design decisions rather than prove one design is better than another. Usability testing evaluates how learnable, efficient, memorable, error-proof, and satisfying a design is to use based on feedback from real users. The document dispels common myths that usability testing is too costly, will delay projects, or limits creativity. It argues that usability testing can actually improve designs and be completed quickly and cost-effectively.
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The success of apps in today's fiercely competitive digital landscape hinges on functionality and usability. Aiming for supreme application usability is crucial, ensuring that apps serve their purpose and provide users with a seamless and delightful experience tailored to their needs.
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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
- Heuristic is set of rules