1. Semester wrap-up …the final slides.

2. The Final December 15, 3:30-6:30 pm Close book, one page of notes Cumulative Similar format to midterm (probably about 50% longer)

3. Other stuff Peer rating – rate you and your group members contributions to the project Feedback for me

4. Course ReCap To make you notice interfaces, good and bad You’ll never look at doors the same way again To help you realize no one gets an interface right on the first try Yes, even the experts Design is HARD To teach you tools and techniques to help you iteratively improve your designs Because you can eventually get it right

5. Recall: exam topics Requirements What are they? Data gathering techniques – when and why? User and stakeholder characteristics Scenarios and personas Task analysis HTA Other methods for describing tasks

6. Exam topics, cont. Design General purpose and process Norman’s principles (affordance, mapping, conceptual model, etc.) Execution-evaluation cycle General usability principles (learnability, flexibility, robustness) Errors – mistakes and slips Visual design – basic principles and lessons Web design – special issues for the Web

7. Exam topics, cont. Prototyping and storyboards Evaluation Characteristics of evaluation techniques Predictive – Fitt’s, Hick’s KSLM What are techniques? When to use which techniques? Advice, guidelines for using techniques

8. Human abilities Good Infinite capacity LTM LTM duration & complexity High-learning capability Powerful attention mechanism Powerful pattern recognition Bad Limited capacity STM Limited duration STM Unreliable access to LTM Error-prone processing Slow processing Memory, cognition, learning, problem solving

9. General Issues in Choosing Dialogue Style Who is in control - user or computer Initial training required Learning time to become proficient Speed of use Generality/flexibility/power Special skills - typing Gulf of evaluation / gulf of execution Screen space required Computational resources required

10. Exam topics, cont. Groupware Classification matrix Challenges in building and evaluating Assistive technology How do various disabilities effect use of technology? What are examples of technology or designs that can help? Ubicomp What are examples? What are challenges?

11. Sample questions What usability property of a system is the main focus for a cognitive walkthrough evaluation method? What four questions make up the believability story for a cognitive walkthrough? What is a paradigm shift? Is ubiquitous computing a paradigm shift? Defend your answer.