2.  Computers Are Ubiquitous  The Importance of Good User Interface Design ◦ What Is a Good User Interface Design?  What Is Usability? UIDE Chapter 1

3.  Usability: (ISO 9241)  “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.”  Effectiveness:  “the accuracy and completeness with which users can achieve goals in particular environments”  Efficiency:  “the resources expended in relation to the accuracy and completeness of the goals achieved”  Satisfaction”  “the comfort and acceptability of the work system to its users and other people affected by its use”

4. ◦ User Frustration and Dissatisfaction ◦ This is Broken, Ask Tog, This is BrokenAsk Tog  Safety and the User Interface  Elections and the User Interface ◦ Butterfly Ballot Butterfly Ballot ◦ Small Irritations Are Also a Problem UIDE Chapter 1

5.  Human-Centered Design (HCD) Principles ◦ Active involvement of users ◦ Allocation of function between user and system ◦ Iteration of design solutions ◦ Multidisciplinary design teams  4 Essential HCD Activities 1.Understand and specify the context of use 2.Specify the user and organizational requirements 3.Produce design solutions (prototypes) 4.Evaluate designs with users against requirements UIDE Chapter 1

6.  To know the user, obtain characteristics from the USER, the TASK, and the ENVIRONMENT ◦ Personal User Information ◦ Knowledge and Experience ◦ Personal Preferences and Traits ◦ Task Information ◦ Job Characteristics ◦ User Constraints ◦ Environment Information UIDE Chapter 1

7. 1. Atlanta Zoo: One of your executives is on the Board of Directors of the Atlanta zoo. Recognizing your expertise in user-centered design, she has asked you to do some pro- bono work for a zoo kiosk to provide directions at the zoo. 2. Defensive-Driver Education: One of your executives is on the local safety committee. Recognizing your expertise in user-centered design, he has asked you to do some pro- bono work for a multimedia training application to provide instruction on defensive driving. 3. Multiplication Tables for 3rd Graders: One of your executives is on the Board of Advisors of the local school. Recognizing your expertise in user-centered design, she has asked you to do a training application to assist 3rd graders in learning multiplication tables. 4. Welcome Center for the Olympics 2016: Your group has been asked to create a welcome center for all the attendees and participants to the Olympics 2016 in Rio de Janeiro. 5. Call Center for IKEA: Your group has been commission to create a call center guide for all the text help requests. This is different from the phone calls for help and internet help – instead the user is only using text messages. 6. Senior Citizen assisted email: One of your executives has parents in a senior citizen living facility. He would like you to develop an assisted email system that is tailored for all the residents of the facility. 7. No More Pennies: The government has commission your group to create a website to advise the public that in 2020 we will not be using pennies. All pricing will be base5. UIDE Chapter 1

8. User-Centered Design The Classic Life Cycle Involving Users  Who Are the Users? Making the Design Process Iterative  When and How to Involve Users UIDE Chapter 1

11.  Stakeholders ◦ Payers, administration, developers, end-users  Users ◦ Users of the computer system  External Related User ◦ Manager, Administrators of external systems UIDE Chapter 1

12.  Evaluation-centered UIDE Chapter 1

13. 1. Information-gathering and analyses that form part of the user interface design and development process 2. User interface design knowledge (i.e. design principles, design rules) UIDE Chapter 1

14. ◦ When and How Do You Evaluate?  Evaluation Early in the Life Cycle  Evaluation Later in the Life Cycle  How Do You Evaluate?  Observing the organization and how people work  Interviewing, talking, and asking questions  Making predictions UIDE Chapter 1