1. Slide 1 Requirements Wrap-up (Chapter 31 of requirements text) and Interaction Design: Introduction (Chapters 1 of Interaction Design text) CSSE 371 Software Requirements and Specification Don Bagert, Rose-Hulman Institute of Technology October 20, 2005 Thanks to Steve Chenoweth for some of the slides included.

2. Slide 2 Outline Requirements Wrap-up Interaction Design - Introduction

3. Slide 3 Requirements Wrap-up

4. Slide 4 Requirements Process Steps 1.Get Organized 2.Understand the Problem Being Solved 3.Understand User and Stakeholder Needs 4.Define the System 5.Continuously Manage Scope and Change 6.Refine the System Definition 7.Build the Right System 8.Manage the Requirements Process

5. Slide 5 Interaction Design - Introduction

6. Slide 6 Introduction Interaction design (ID) is designing interactive products to support people in their everyday and working lives. The ID work itself is usually done as a team – with different people having different skills.

7. Slide 7 Why Interaction Design is Important People will pay you to do this stuff well It’s a pervasive part of software design Likewise for devices which use software You need to know when it’s good or bad, to make your systems acceptable to users

8. Slide 8 What’s good and what’s poor… Some examples… What are they?

9. Slide 9 More examples…

10. Slide 10 Another example…

11. Slide 11 More examples…

12. Slide 12 More examples…

13. Slide 13 More examples…

14. Slide 14 Goals of Interaction Design Usability and User experience

15. Slide 15 Heuristics and usability principles Heuristics – Design principles used in practice Usability Principles – Used mostly as the basics for evaluating prototypes and existing systems