Likert 5단계 평정 척도로 구성된 본 설문지는 초등 환경 교육 석사 학위 과정의 초등교사 5명에게 자문을 받아 문항별 분석을 통하여 안면 타당도를 높였다.
This questionnaire made up of a Likert 5-level rating scale had been consulted by 5 elementary school educators into the master's degree program in primary ecological knowledge, and facial substance had been enhanced through item-by-item analysis.