이후 예비조사에 참여하지 않은 지적장애 중학생 3명에게 실시하여 문항의 이해도나 반응 양식에 어려움이 없음을 확인하였다.
Afterwards, it was conducted on three middle school students with intellectual disabilities who did not participate in the preliminary survey, and it was confirmed that there was no difficulty in understanding the questions or in the response style.