Understanding user needs is key to designing best the products/services
user centered design
approach that centralizes user needs/abilities to create appropriate design for user, task, environment
4 UCD principles
1. usage centered requirements, analysis/specification
2. structured UI design, natural interaction
3. usability assessment, evaluation, improvement
4. human centric project management
5 UCD stages
1. research, problems/requirements analyzed
2. concept, function/structure determined
3. design, form developed
4. implementation, cost price determined
5. launch, marketing/production
inclusive/universal design
ucd extension includes members possibly forgotten in product design cycle
inclusive design characteristics
equal usability, simple operation, low physical effort