Abstract
Bucheon Technical High School, Gyeonggi 422-042, Korea(Received April 16, 2004) . 2 7 I . 2 456 GALT , 7 I 15 , CAT I . 2 52.5% , 28.3% , 19.5% . 68.9%, 6.6% , . 7 I , . 7 I 2 , 2 . 7 I 6 I , I II . 7 I , - . : 7 , I , ABSTRACT. The purpose of this study was to compare and analyze the cognitive levels of 11th grade students andthose required in high school chemistry I textbooks standardized by the 7th national education curriculum. For this study,the cognitive development stages of 456 11th grade students were surveyed using short-version GALT (group assessmentof logical thinking). Furthermore, 15 basic concepts were extracted from the contents on water and air, 2 units in chem-istry I order to analyze the cognitive levels necessary for understanding high school textbooks, using CAT (curriculumanalysis taxonomy). The results showed that 52.5% of the surveyed 11th grade students reached the formal operational
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