1. Self-explanations: how students study and use examples in learning to solve problems;Chi;Cognitive Science,1989
2. Learning strategy research;Dansereau,1985
3. Motivational factors in students’ approaches to learning;Entwistle,1988
4. Protocol analysis;Ericsson,1984
5. Der Wilde-Intelligenz-Test (WIT);Jäger,1983