TAILIEUCHUNG - User Experience Re-Mastered Your Guide to Getting the Right Design- P8

User Experience Re-Mastered Your Guide to Getting the Right Design- P8: Good user interface design isn't just about aesthetics or using the latest technology. Designers also need to ensure their product is offering an optimal user experience. This requires user needs analysis, usability testing, persona creation, prototyping, design sketching, and evaluation through-out the design and development process. | 336 User Experience Re-Mastered Your Guide to Getting the Right Design Figure shows the same icons with a reduced affordance for clicking because they are on a sloped image. It seems that the reduction in affordance was not enough to tell the participant that he should not click on these icons. Making Decisions with Qualitative Data Working with qualitative data is a process of making decisions that start with thinking about what to note in the evaluation collecting the data continues through the collation and review process and then influences your summary analysis and interpretation . Those decisions need to be made in the light of the following factors The differences between the participants in your evaluation and the real users. For example your test participants might have more experience of the system than the real users or they might lack specialist domain knowledge. The differences between your test environment and the users environment. For example you may have had to stop the test while you solved a configuration problem in the system or the room where you conducted the test might be much quieter or noisier than the users environment. The same decisions apply to the data from your pilot test. It is even more likely that your pilot participant is different from your real users so you need to be more cautious about drawing conclusions from the pilot data. The actual process of examining your qualitative data to identify usability defects depends very much on your user interface and on what happened in your evaluation. In practice it is usually quite easy to spot the important problems and find the causes for them. It often helps to speed up the work of reviewing your qualitative data if you establish a coding scheme. A coding scheme is any method of assigning a group number or label to an item of data. For example you might look first for all the data about icons then for everything about the meaning of labels then for remarks about navigation. Some .

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