Introduction

Question 1

A User Interface is:

Answer 1

• boundaries at which users and systems must meet to perform actions
• the part of the tool with which users interact to use it and achieve their goals

Question 2

What are the three vertices of the usability triangle?

Answer 2

Users, Task, Tool

Question 3

How do we define usability:

Answer 3

The usability of a product is the degree to which specific users can achieve their goals within a particular environment, effectively, efficiently, comfortably and in an acceptable manner

Question 4

What are some metrics of usability

Answer 4

efficiency, effectiveness, satisfaction, memorability, learnability, flexibility,

Question 5

What are the two types of usability evaluation?

Answer 5

• formative (test as we build and re-adapt)

- summative (comparing finished systems)