The study of reliability and validity of creative materials
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Creativity is an important ability in teaching-learning process because of its contribution to the struggle to cope with complex problems, to ensuring satisfaction in life and to the improvement in professional development. Especially, creativity is one of the essential abilities that teachers need in teaching-learning processes in their classrooms. It is crucial that prospective teachers' creative thinking skills should be developed and prospective teachers produce teaching materials in a creative way. This study aims to develop a scale for the evaluation of the materials, which are developed by hand, or as technology-based, and of the materials, which are developed as project-based by prospective teachers in Instructional Technologies and Material Development (ITMD) Course or in other courses, in terms of creativity. First, the literature has been reviewed to determine the items that will take place in the 5-likert type scale, and a pool of items has been developed by the researchers. A draft questionnaire has been prepared with the arrangement of the items created out of the pool with 5-likert type scale from strongly disagree to strongly agree statements and factor scores have been tried to be explained. The creativity of the materials is investigated in four categories-fluency, flexibility, originality, and elaboration. This questionnaire has been presented to the experts studying on creativity and material development in faculties of education to get their opinions. Items in the scale have been determined in the light of the results of the data. At the second stage, 4 experts have evaluated sample materials by the use of this scale, and reliability analysis has been carried out through the explanations for the harmony levels of these four experts.