사후평가에 불참한 10명의 참가자의 자료는 제외되었고, 사전평가와 사후평가를 완료한 42명의 참가자의 자료만 분석되었다.
Data of 10 participants who did not attend to the post test assessment was excluded and only available data of 42 participants who completed the pre and post assessment were analysed.