The material should also consider empirical findings and be evidence-based accordingly. This also means that an overview of empirical studies on the teaching material should first be created. Furthermore, the experiences and evaluations of Kolleg: Inside should be used.​

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Example questions

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• What empirical studies on the teaching material are there?

• What evaluations of comparable materials are available?

• Which experiences from other learning groups, classes or schools can be used?

• In what form has the material contributed to the further development of the basic skills of the students?

• How does the material contribute to achieving the target competencies?

• In what form was it possible to respond to the needs and requirements of the students?

• Which linguistic or cultural experiences could be taken up and further developed?