4. • Graphical User Interface (GUI) – is the user visual interface that allow users to interacting with a computer using items such as windows and icons (Norman 2004). • Design considerations principles: organize, economize and communicate. It should take into account human factors and cognitive ability.
5. • Organize – consistency, screen layout, relationships and navigability are important concepts • Consistency – match with the real world – what users are used to. • Screen layout – the general 7+/-2 rule is essential to considered to avoid information overload. Designing visual representation can designed according to CLT to avoid overload • CLT to properly design learning materials avoid cognitive overload
