Rasch 모형을 적용한 실수인식 척도의 문항 양호도 검증

Item Goodness Verification of Real Perception Scale Using Rasch Model: For Taekwondo Athletes

The purpose of this study was to verify the goodness of the items on the Error rientation Questionnaire (EOQ) by applying the Rasch model. The sample analyzed 1,281 Taekwondo players, One-dimensional performance and item goodness were verified by applying CFA model and Rasch RSM model. The analysis program utilizes jamovi 1.0 and jMetrik 4.1.1 program. analysis results follows. First, each subfactor of the real recognition scale satisfied one-dimensionality. Second, the response category of EOQ consisting of 5 points Likert was found to be appropriate. Third, EOQ s Q12 questions were found to be inappropriate, but all other questions were appropriate. In terms of item difficulty, the Q8 and Q1 items had higher difficulty levels, and the Q5 and Q9 items generally had lower difficulty levels. In addition, as a result of reviewing the Item-Person Map, it was found that additional items with high difficulty in attitude and burden factors were needed. Through this series of procedures, this study has suggested suggestions on how to use EOQ and what to consider in subsequent studies.