1.3 Why m-roles principles

There are three threads to justify this principle

Thread 1: from learning scinece

1. The affordances of learning environment
2. Cognitive tools: learner as designer, and designer as learner
3. Higher level of learning outcomes: go beyond remember and understand
4. Learning is a negotiation process
5. New educational research: design-based-research

Thread 2: from the affordance of current and emergent technology

1. Digital graphics and video
2. From web 1.0, to 2.0, to 3.0
3. Could-techology
4. Machine learning and data-mining

Thread 3: Kathy's own experiments