Ch.2 Norman Vocab Flashcards
7 stages of Action: Goal
To Form a Goal - figure out what needs to be done or want to do to obtain the goal.
7 Stages of Action: Plan
Plan the Action - figure out many different way to plan the action to meet the goal
7 Stages of Action: Specifiy
Specify the Action - How will you accomplish the action and what will you do to get to your goal
7 Stages of Action: Perform
Perform the Action - of course just do it and see it through
Perceive the System State
What Happened?
Interpret the System State
What does it mean?
Compare the System State
Compare to original goal - does it match, or meet the desired outcome?
Information
It is desired before taking action and after taking action
Two Gulfs of a designer
The Gulf of Execution and the Gulf of Evaluation
The Gulf of Execution
Can the user identify the action to take to achieve a goal? the gulf is the knowledge gap between what the user wants to do and the system capabilities supporting that goal
The Gulf of Evaluation
Will the user know the action resulted in the desired state? the gulf is the knowledge gap between a systems feedback from an action and what the user needs to know for the goal to be met
Mental Models
The way people construct explanations of how the world and technologies within it work
-often inaccurate
Inaccurate Models
Can lead to ineffective, inefficient, even dangerous technology use
Designer Roles
- is to help people form more accurate conceptual models of what we design
Discoverabilitly
user can perceive possible actions and current system state
