1. Chapter 10 Interaction design

2. The Human Action Cycle The Details of the Human Action Cycle
Using the Human Action Cycle to Influence the Design Process
UIDE Chapter 10

3. Human Action Cycle Form a goal
Creates/executes actions that move toward that goal.
Perceives and interprets the outcome
Recognizes possible need to reformulate
UIDE Chapter 10

4. Human Action Cycle
UIDE Chapter 10

5. Using the Human Action Cycle to Influence the Design Process
Walk through the prototype
May be able to predict user difficulties
May be able to suggest suitable changes
May be able to suggest skills for the user
May be able to devise new requirements for the UI design
UIDE Chapter 10

6. Using the Human Action Cycle to Influence the Design Process
What are the steps to lowering the volume?
Suggest changes to the design of the volume and channel control
UIDE Chapter 10

7. Communicating the Designer’s Understanding of the System
Designer’s Model
System Image
How the User Interface Enables the User to Develop an Accurate Mental Model
UIDE Chapter 10

8. Communicating the Designer’s Understanding of the System
Designer’s Model: An explicit and consciously developed model
User’s Model: Mainly functional information
System Image: UI, documentation, training.
UIDE Chapter 10

9. Using Metaphors to Develop Accurate Mental Models
The Benefits of Metaphor
Problems with Metaphor
Choosing a Suitable Metaphor or Set of Metaphors
UIDE Chapter 10

10. Metaphor
“a figure of speech in which a word or phrase denoting one king of object or action is used in place of another to suggest a likeness or analogy between them”
Common UI Metaphors
Words on the screen
Static images and icons
Interactive graphics
UIDE Chapter 10