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최진옥,정헌용 국제문화기술진흥원 2024 The Journal of the Convergence on Culture Technolo Vol.10 No.4
본 연구는 2012년부터 2022년까지 한국 기업을 대상으로 ESG 성과가 투자효율성에 미치는 직접적 영향과 이익조정이 ESG 성과가 투자효율성에 영향을 미치는 관계에서 매개 역할을 하는지를 분석하였다. 주요한 연구 분석 결과는 다음과 같다. 첫째, ESG 등급이 높을수록 기업의 투자효율성이 유의하게 증가하는 것으로 나타났으며, 이는 ESG 경영이 투자효율성에 긍정적 영향을 미친다는 것을 의미한다. 둘째, ESG 등급이 높을수록 이익조정이 유의하게 감소하는 것으로 나타나 ESG 투자활동이 기업의 이익조정에도 긍정적 영향을 미친다는 것을 의미한다. 셋째, 이익조정이 감소할수록 투자효율성이 유의하게 증가하는 것으로 나타났으며, 이는 이익조정은 ESG 성과가 투자효율성에 영향을 미치는 관계를 유의하게 매개하는 것으로 나타났다. 이 연구는 ESG 등급이 높을수록 기업의 투자효율성이 증가하며, 이익조정은 ESG 성과가 투자효율성에 영향을 미치는 관계에서 유의한 매개 역할을 한다는 것을 보여준다. This study examines the direct impact of ESG ratings on investment efficiency among Korean firms from 2012 to 2022, as well as whether earnings management mediates the relationship between ESG performance and investment efficiency. The key findings are as follows. Firstly, it was found that as ESG ratings increase, a firm's investment efficiency significantly improves, indicating that ESG management has a positive impact on investment efficiency. Secondly, as ESG ratings increase, earnings adjustment significantly decreases, suggesting that ESG investment activities also have a positive impact on firms' earnings management. Thirdly, as earnings adjustment decreases, investment efficiency significantly increases, indicating that earnings management significantly mediates the relationship between ESG performance and investment efficiency. This study demonstrates that higher ESG ratings lead to increased investment efficiency among firms, and earnings adjustmentment plays a significant mediating role in the relationship between ESG performance and investment efficiency.
카이로프랙틱 교정과 척추관절유동술이 청각기능에 미치는 영향
최진옥,정한석 보완대체의학연구소 2010 Research Journal of Complementary and Alternative Vol.- No.1
This study is to compare and analyse the effect of chiropractic manipulation and mobilization on the auditory sensory function. This study has carried out on the 18 males and 9 females among total 27 students of the department of health management of Hanseo University from Nov. 21 to Nov. 28, 2010, and their average age is 20.89. After measuring the hearing range with hearing tester (AMA-PTA), the area of movement restricted was selected, and the hearing range after the chiropractic correction and mobilization correction was measured again. The result of this study is as follows. The difference of results before and after the chiropractic correction is average 2.488±8.889 of left hearing range, and the right hearing range lowered to average 2.572±6.475. As a statistical significance level, it was meaningfully showed at 500 Hz of left hearing frequency, 250 Hz, 500 Hz, 4,000 Hz of right hearing frequency (p < 0.05). In the other left and right frequencies, there was no statistically significant difference. As the difference of results before and after the mobilization, the left hearing range has lowered to average 1.036±5.53, and right hearing range to average0.927±6.76, and at the statistical significance level, it was significant only at left frequency 250 Hz (p < .05). At other frequencies, there was no statistically significant difference. As a result, this study was meaningfully verified that chiropractic has an effect on various and specific hearing frequencies more than mobilization.
최진옥 대한영상의학회 1985 대한영상의학회지 Vol.21 No.5
In a study of primary brain tumors 104 cases having satisfactory clinical, operative and histological proofs were analyzed by computerized tomography at Presbyterian Medical Center from May, 1982 to April 1985. The results were as follows: 1. The male to female of primary brain tumor was 54:46. The 2nd decade group(26%) was the most prevalent age group, followed by the 5th decade(16.3%), 1st decade(14.4%), 3rd decade(12.5%), 4th decade(11.5%), 6th decade(10.6%), 7th decade(8.7%) in that order. 3. The incidence of primary brain tumors was found to be: glioma 64 cases(61.6%)(among the GM, the most frequent 17 cases(16.3%), followed by meningioma 12 cases(11.5%), pituitary adenoma 10 cases(9.6%), craniopharyngioma 6 cases(5.8%), pinealoma and germinoma 3 cases(2.9%) respectively, and dermoid cyst 2 cases(1.9%) in that order. 4. The locations of the primary brain tumors were as follows: cb. hemisphere(49%) of these 24.5% in parietal region, 11.9% in temporal region, 9.7% in fronta region, 3.0% in occipital region; Juxtasella area(16.3%), cerebellar hemisphere(8.7%), Parapineal and intraventricle(7.7%) respectively, cerebello-pontine angle area(5.8%), vermis and 4th ventricular region(4.8%). 5. There were no remarkable differences in the findings of pre-and post-contrast CT scanning of primary brain tumors compared with others.
崔珍玉 조선시대사학회 2003 朝鮮時代史學報 Vol.27 No.-
The Trend of the Central Political Powers of the Earlier Joseon Dynasty-Focused on the Literati Residing in the Capital-Choi, Jin-ok