Foundations of Usability
Here you will find an introduction to key terms and principles relating to usability, user experience (UX) and user-centered design - systematically structured.
Terms & Definitions
What is Usability?
Definition, dimensions and meaning of fitness for purpose according to ISO 9241-11.
UX vs. Usability
Differentiation and connections between user experience and usability.
User Interface vs. User Experience
Visual interface vs. holistic user experience - clearly explained.
Usability Engineering vs. UX
Conceptual, methodological and historical delimitation of both concepts.
Accessibility vs. Usability
A comparison of accessibility and usability - with practical examples.
Normen & Standards
DIN EN ISO 9241 Overview
Structure, objectives and important parts of the standards series - clearly explained.
ISO 9241-11 simply explained
The three core criteria: Effectiveness, efficiency and satisfaction - with examples.
ISO 9241-110: Dialog Principles
Seven principles for user-friendly interaction - clearly explained.
What is ISO-compliant usability?
How to design usability in a systematic, standardized and context-sensitive way.
Legal context of usability
Which laws and standards influence usability - e.g. BITV and EU law.
Cognitive Psychology Basics
Mental Models in HCI
How users understand systems - and how design should respond.
Cognitive Load & Usability
Perception and memory processes as the basis of user-friendly design.
Error Models & User Errors
Slips, mistakes and design strategies to avoid errors.
Perception and affordance
How visual design influences behavior - and what follows from it.