Flexibility accounts for the individual modes (both cognitive and affective) in approaching the teaching/learning process. It refers to features of learning materials which are sensitive towards the individual specificity of the user, including group differentiation in classroom environments.
Individualisation: Do the materials consider learner characteristics like former learning experience, learning styles, disposition for autonomous learning, etc.?
Adaptability: Do the materials allow for expansion, reduction, easier and more challenging adaptation and exploitation for different learning purposes? Is the material open and flexible enough to allow the individual learners to work more in depth with particular items?