観かん察さつ的てき研けん究きゅうMeaningsNoun1. observational studyKanji used観observe察guess的target研refine究researchComposed of観かん察さつobservation; survey; watchingNoun的てき-ical; -ive; -al; -ic; -y; -like; -ish; -sort of; -kind ofSuffix研けん究きゅうresearch; study; investigationNoun