first of all considerations about commitment’s role to moderate the relations between negative quality of attachment and problem behaviors must be confirmed by other research including coping strategies and quality of commitment, in terms of internal process or external
influence.
must be 부분부터 해석이 잘 안됩니다..
이 문장에서 first of all을 '첫번째'로 라고 봐도 되나요?