Lesson 3- The Interaction Flashcards
Communication between user and system.
Interaction
concentrates on user’s view of the interface.
Have 7 stages.
Donald Norman’s Model
Draw the Visual representation of Donald Norman’s model
System
arrows to
Evaluation
arrows to
Goal
arrows to
Execution
arrows back to System
Cycle
Extension of Norman.
Their interaction framework has 4 Parts.
Abowd and Beale Framework
Study of the physical characteristics of interaction.
Ergonomics
Ergonomic Examples?(4)
- Arrangement of controls and displays
- Surrounding Environment
- Health issues
- Use of color
Common Interaction Styles?(8)
WARNING: Dang hahaba lol
- Command Line Interface
- Menus
- Natural Language
- Question/answer and query dialogue
- Form-fills and spreadsheets
- WIMP
- Point and click
- Three-dimensional interfaces
Way of expressing instructions to the computer directly.
Comman Line Interface
Set of option displayed on the screen
Menus
Speech recognition or typed natural language
Natural Language
**
User led through interaction via series of questions
Query Interfaces
Primarily for data entry or data retrieval
Form Fills
Sophisticated variation of form-filling.
Grid of cells contain a value or a formula
Spreadsheets
Default style for majority of interactive computer systems, especially PCs and or other desktop machines.
Windows Icon Menus Points(WIMP)
Used in –multimedia, web browsers, hypertext.
Minimal Typing.
Point and Click Interfaces
While 3D Workspaces use for extra virtual space,light and occlusion give depth and it has distance effects.
Three Dimensional Interfaces
Elements of WIMP interfaces?(4)
- Windows
- Icons
- Menus
- Pointers
Areas of the screen that behave as if they were independent.
Windows
Small pictures or image.
Represents some object in the interface.
Icons
relies on pointing and selecting things.
Uses mouse , trackpad, joystick , trackball, cursor keys or keyboard shortcuts
Pointers
Choice of operation or services offered on the screen.
Menus
Kinds of Menus?(3)
- Buttons
- Toolbars
- Dialogue Boxes
Individual and isolated regions within a display that can be selected to invoke an action.
Buttons
fast access to common actions.
Often customizable.
Long line icons
Toolbars
Information windows that pop up to inform an important event or request information.
Dialogue Boxes
7 stages of Donald Norman’s Model?
- User establishes the goal
- Formulates intention
- specifies actions at interface
- executes action
- perceives system state
- interprets system state
- evaluates system state with respect goal
