Measuring the Degree of Effectiveness of the Activities in the Eighth-Grade Mathematics Textbook Content from the Perspective of Teachers

Abstract

The aim of this research is to determine the effectiveness of sports activities included in the mathematics textbook for the eighth grade from the perspective of the teachers who implemented these activities during their teaching process. To achieve the study's goal, the researcher reviewed educational literature and extracted the theoretical framework for this study. This was also utilized in designing the research tool, which is a questionnaire based on a five-point Likert scale. After implementing validity procedures, the final number of items was 23 out of an initial 27 items. The reliability coefficient, according to Cronbach's alpha, was 0.841, which is suitable for the purposes of the study and research.