categorical proportion implementation validity relevant part subchapter refer very problem supported there matter categorie good item state sufficient teaching should C3 preparation taught researcher final quality coefficient index next difficulty described nothing passing some result wa learner analysi research aspect difficult both insignificant factor content must bad studie below multiple term C1 view significant construction obtained SMA choice domestic because chemistry qualitative level beach language done categorize categorization tested CHAPTER subject mirror author closing derived categorized SMAN different examination measured study description case population test about pantai question carried convey mastered distribution accordance clas formulation especially ha cermin low through easy while reliability based C2 school cognitive negeri outsider chemical theory particular than chapter category follow effectivenes syllabi XII maximum thinking quantitative SUGESTION moderate represent out stage domain enough C4 conclusion XI each wherea attention CONCLUSION criteria limit drawn semester not suggestion one more material before high