Abstract
Purpose Common content knowledge(CCK) is composed of rules, techniques, and tactics. Such knowledge is a requirement for effective teaching of physical education (PE). There are, however, few validated tests of CCK. Thus, the purpose of this study was to develop a CCK test of soccer and evaluate the validity and reliability of the test using Rasch modeling (Rasch, 1980). Methods We developed thirty item common content knowledge test for soccer. Then, we used Rasch modeling to evaluate the validity and reliability of a test of soccer. Pre-service teachers (N=92) majoring in physical education and non-PE major (N=111) participated in this study. Results Thirty questions demonstrated good item-model fit. Moderately high internal consistency for person-ability and high internal consistency for item-difficulty are reported. Both Infit and Outfit statistics showed a good fit between the data and the Rasch model. Conclusions The analysis provides evidence to support the validity and reliability of this instrument as a CCK test of soccer. Limitations of the study were discussed and suggestions were provided to improve the test.
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