Transcript PowerPoint Presentation - Good dialog designs

Dialog Design Principles
Fundamentals of Good
Dialog
Fundamental Principles
Plan Content
Match User Needs
Plan and Test
Determine Formats
ROMC
Representations
Operations
Memory Aids
Controls
Plan Content
Criteria
Basic output requirements
Process
User interface needs
Content
Data and processing requirements
before
Format
Match User Needs
 Natural Action Sequences
 Minimize Stress From
Lack of control
Unexpected Events
Novelty
Poor Responses (e.g. codes)
 Focus on HELP when
Getting Started
Getting Stuck
Recovering
Planning and Testing
Sketch dialog before coding
Test
Representative users
All hardware
Saturation and degradation
Logs (errors, system failures, recovery)
Security
Acceptance measures
Format
Input
Match user expectations
Assure consistent keystrokes
Plan defaults
Request input in user terms
Format
Output
 Meet system objectives
 Perform business tactic
 Human likes
Short lines
Highlights
Accurate labels, units and titles
Minimize clutter
Beware of codes
Provoke action (so what?)