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중학교 과학 교과에 대한 선개념 (先槪念) 조사 및 개념도 (槪念圖) 수업 효과에 대한 연구 : 주변의 동·식물 단원을 (單元) 중심으로
한경렬,정충덕 韓國生物敎育學會 1997 생물교육 Vol.25 No.2
The research on Preconception Pattern and Concept Mapping Teaching Method as Teaching Strategy about the Chapter 'Living Things Around' for the 1st year of Middle School may be summed up as following. 1. The Research on Preconception Pattern shows the feature that misconception is remarkable in the field related to the multiplication. For example, roots are regarded as the sexual organs, and flowers and petals are considered the same conception. The difference between entomophilous and anomophilous, the conception of pollination or fecundation, and the conceptual distinction of the congiosperm and the gymnosperm are not recognized precisely. 2. In general, students tend to recognize the conception of animals better than that of plants, especially they have comparatively the right conception about the characters of the mammalia. Hut comparatively many have the wrong nation that the breath through the lungs is the feature only of the mammals, and they have misconception about the distinction between salamander and lizard, and about the shape of reptiles. These tendencies could he the result of the lack of their personal experiences and the difficult access to the terms in Chinese Characters. 3. On the test given before the application of the Concept Mapping Teaching Method, the control group (by Traditional Teaching Method) the points 32.66 and the experimental group (by Concept Mapping Teaching Method) showed the average points 30.87. After the teaching, the groups mark 42.40 and 49.77 points respectively at the same kind of test, which indicates that experimental group has made greater progress than the control one. 4. In the pre-test, the two of the 'Concept Mapping Teaching Group' and 'Traditional Teaching Group' and the four of classes showed no noteworthy difference according to the T-test that has the difference quality within 5% of significant level between the two groups. However, the past-test shows and confirms the noteworthy difference (p$lt;0.05), which means that 'Concept Mapping Teaching Method' is more effective than the 'Traditional Teaching Method'. Moreover, the result of the test on the noteworthy quality between the two groups shows that intermediate learners (average points in science : 16.1∼83.9) make noteworthy difference (p$lt;0.05) in the case of the test classifies into 3 levels, and that lower-intermediate (average points : 20.0-39.9) make noteworthy difference (p$lt;0.05) in the case of the test classified into 5 levels, which can 6e the proof that 'Concept Mapping Teaching Method' is considerably more helpful especially to the lower-intermediate learners. 5. The experimental group (by Concept Mapping Teaching Method) have shown high percentage of right answers to the 25 problems except for 3 in the test given after the applied procedures. 13ut application of conceptive terms to made with Chinese characters to science still could have many difficulties because of probable misconception.
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한종규,한경렬,백병준,김형환,배원경,김일영 순천향의학연구소 2005 Journal of Soonchunhyang Medical Science Vol.11 No.1
Hemifacial microsomia(HFM) is a craniofacial disorder and complex malformation syndrome with a variable and asymmetric malformation involving first and second pharyngeal arch derivatives. Multiple etiological mechanisms for HFM have been considered. Mechanisms proposed include genetic factors, early embryogenesis insults involving abnormal neural crest development and migration, and stapedial artery hematoma. HFM is the second most common craniofacial malformation but has been rarely reported in korea, and we report five cases of HFM in temporal bone CT findings. The temporal bone CT findings of five patients aged 6 days and 19 years(mean, 9 years) with hemifacial microsomia were reviewed and evaluated. Particular attention was focused on auricular malformation, external auditory canal, volume of middle ear cavity, ossicular anomaly, facial nerve anomaly and inner ear anomaly. In all patients, temporal bone CT scans revealed the stenosis or atresia of external auditory canals, decreased middle ear cavities, matoid underdevelopment and ossicular anomalies including ossicular ankylosis, but only one patient showed facial nerve or inner ear anomaly. In conclusion, temporal bone CT scan is a useful diagnosis modality of hemifacial microsomia, which is especially more useful in preoperative evaulation and estimation of postoperative prognosis that demonstate middle and inner ear anomalies.
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