요인 분석 결과, 과제 난이도의 경우에는, 4개 문항으로 묶이고, 자기조절 효능감 3개 문항, 자신감 3개 문항으로 묶였다.
As a result of the factor analysis, in the case of task difficulty, it was grouped into 4 questions, 3 questions of self-regulation efficacy, and 3 questions of confidence.