... into them. In the quantitative way, we can add the technique of extending but the model remains unchanged. The qualitative way, which can be termed as expanding refers to the development of the ... material so they understand clearly about the material, the teaching context and the learners. Their opinion and their evaluation, therefore, are critical to the improvement of the material ... materials: the evaluator has to check if the materials match the aims and objectives of the course.- Content of the materials: the evaluator has to check whether the materials’ language points,...