observational
🇺🇸
/ˌɑːbzərˈveɪʃənl/
🇬🇧
/ˌɒbzəˈveɪʃənl/
relating to careful watching or monitoring
The observational data collected by the scientists was crucial for the study.
과학자들이 모은 관찰 데이터는 연구에 매우 중요했다.