1. The U in Usability Testing Intro to HCI Week 3

2. Today’s Agenda 1.MUSIQ 2.Lecture 3.Homework 4.Next Challenges

3. Complete MUSIQ Do not flip through before or during quiz. Stop after question 16 and wait for instructions.

4. Review Study Guide quickly Tear off Study Guide and turn in your quiz.

5. Homework part 1 Review Usability.gov and search for content about usability testing Based on what you find, develop a short usability test.

6. Formative vs. Summative Formative: Testing/evaluating during the design process What is working and what is frustrating for the users? What needs to be changed? Summative: Evaluation after the design process How did you do? Where your goals met?

7. User Goals Performance- Task Completion (We did it) Satisfaction- Experience in process (We did it, but never again!!!)

8. Performance Metrics Task Success (Clear end state) Time-on-task Errors Efficiency (effort…ha ha..) Learnability (over time)

9. Satisfaction Metrics Self-Reported Metrics Expectations After scenario questionnaire Ease of use Satisfaction Usefulness Ease of learning

10. Satisfaction Metrics Verbal (think aloud or response) Non-Verbal (expressions, eye movement skin conductance)

11. 10 Usability Measures Task Success Task Time Errors Learnability Issues-Based Metrics Self-Reported metrics Behavioral and Physiological metrics Combined and comparative metrics Live website metrics Card-Sorting Data

12. Usability Testing/Prototyping Part 2 Using cardboard or some simple material build a prototype of your product. Should have all of the features of your product Review usability.gov for extra helpusability.gov Details posted online in week 3

13. What I’m looking for is… A simple test Can include short survey if you want The purpose is the experience Peer review feedback to decide which product is the most effective, purposeful, and most importantly simple to use.