Usability testing

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Information Culture: Week 8: Usabilitiy

Transcript of Usability testing

  • 1. Usability Testing

2. Importance of Usability Consumer can use your site more easily and willcome back more often Less frustrating and more enjoyable experience Increase in sales Decrease in support costs Increase in employee productivity and decreasein employee frustration Fewer mistakes 3. Usability Principles Use your audiences language and labels Make navigation, layout, graphics simple andconsistent Provide help information Make sure the organization and presentation ofthe site reflects users needs and goals Design should reinforce easy task flows Use logical and organized information groupings 4. Benefits of Testing Real world/ real user perspective Identifies the majority of the functionalityissues Allows testers to see the users decisionmaking process and the amount of time spenton different areas of the website 5. Types of Tests Exploratory (Formative Study) Conducted early in the development cycle when a product is still in the preliminary stages of being defined and designed. Main objective is to examine the effectiveness of preliminary design concepts. Can the user navigate from screen to screen Can the user complete the tasks needed to reach their goal Assessment Test (Summative Test) Conducted midway into the development cycle after the fundamental design and organization of the site has been established. Purpose of the test is to see how well a user can perform realistic tasks and identify problems in the usability of the site. Validation Test (Verification Test) Conducted late in the development cycle. Intended to measure the usability of a product against established benchmarks or to confirm that problems discovered earlier have been remedied Comparison Test Compare two or more design interface styles or to compare your site with a competitors. 6. Example of a test plan Purpose Participants Participant Questionnaire Methodology Script Introduction Pre Test Value Questionnaire Familiarization Task Scenarios Wrap Up Post Test Questionnaire 7. Google Redesign Google calls it a simpler, cleaner design Creates a consistent search experience across devices Focuses on the user getting the answers they are looking for whetherthrough the website search results or Knowledge Graph Google has invited users to provide feedback on their Google+ page 8. Resources Rubin, Jeff and Chisnell, Dana. Handbook of UsabilityTesting, Second Edition. Wiley Publishing, 2008 Summers, Kathryn. Usability Testing, 2010 Soper, Taylor. Google redesigns search results interface: What doyou think?, GeekWire, November 7, 2012 Spiffing up your search results page, Inside Search: The OfficialGoogle Search Blog, November 6, 2012