An analysis of cognitive demands of mathematical tasks in Korea and Japan elementary school textbooks in proportional reasoning

Ha-Na Park,Jeong-Yee Han,Hae-Rin Yoon,Soo-Yeon Jeong,Doo-Ran Kim,Kwang-Ho Lee 한국교원대학교 뇌기반교육연구소 2017 Brain, Digital, & Learning Vol.7 No.1

The purpose of this study was to examine and analyze the cognitive demand of the mathematical tasks suggested in the elementary school textbooks in Korea and Japan. In particular, it aimed to reveal the overall picture of the level of cognitive demand of the mathematical tasks in the strand of proportional reasoning in the textbooks. We adopted the framework for mathematical task analysis suggested by Stein & Smith(1998) and analyzed the mathematical tasks accordingly. The findings from the analysis showed that 38.9 percent of the mathematical tasks were at high level and the rest at low level in terms of cognitive demand in Korea. In Japan 18.7 percent of the mathematical tasks were at high level and the rest at low level in terms of cognitive demand. Most of the mathematical tasks in the textbooks were algorithmic and focused on producing correct answers by using procedures in both countries.

연구논문 : 한국 금융감독체계 개혁의 정치경제

임혜란 ( Hae Ran Lim ),이하나 ( Ha Na Lee ) 서울대학교 한국정치연구소 2009 韓國 政治 硏究 Vol.18 No.1

Changes in the perinatal outcome of twin pregnancies delivered at a tertiary referral hospital during a 20-year period of time from 1995 to 2014

( Hye Ran Lee ),( Soo Hyun Kim ),( Yoo Min Kim ),( Ji Hye Kim ),( Mi Na Kim ),( Hye Jung Lee ),( Kylie Hae Jin Chang ),( Ji Ye Kim ),( Ji Hee Sung ),( Soo Young Oh ),( Cheong Rae Roh ),( Jong Hwa Kim 대한산부인과학회 2015 대한산부인과학회 학술대회 Vol.101 No.-

생산세계화와 생산네트워크의 변화: EU기업과 한국기업의 사례 비교

임혜란 ( Hae Ran Lim ),조한나 ( Han Na Cho ) 한국EU학회 2014 EU학연구 Vol.19 No.2

본 연구는 한국 기업인 현대자동차와 EU 기업인 폭스바겐의 중국 해외직접투자에 대한 사례를 비교분석하여 생산세계화 시대 개별국가의 생산방식체계가 해외직접투자 과정에서 어떤 변화를 보이는지 살펴보았다. 독일의 폭스바겐은 1984년 중국이 개혁개방을 시작하고 해외투자를 장려하던 초기시기에 들어간 경우였으며, 한국의 현대자동차는 중국이 WTO에 가입한 이후 2002년 해외직접투자가 결정된 경우였다. 폭스바겐의 경우 처음에는 독일의 부품협력업체와 공동해외진출을 시도했지만 중국 정부의 현지화 관련 규정이 엄격한 상황 하에 글로벌 부품업체와 중국내 부품업체와의 협력을 증진시키는 방향으로 생산네트워크를 재구축했다. 현대자동차의 경우는 WTO 제도로 인해 현지화 규정이 없어졌기때문에 현지화 비율을 단시일 내에 늘려야 할 제약이 없었다. 그러나 중국의 중앙정부와 북경시 지방정부는 과거합작의 실패를 되풀이하지 않기 위해 보다 많은 자율성을 현대자동차에 부여했고, 현대자동차는 한국 내 부품업체와 중국에 공동 진출함으로써 한국식 생산방식 네트워크를 그대로 현지에 재현(replicate)할 수 있었다. 한국과 독일 기업 모두 중국으로의 해외직접투자시 현지화 비율을 높이는 유사한 결과를 가져왔지만, 그 과정에서 현지 정부와의 상호관계에 따라 국내 생산방식체계는 서로 상반된 형태로 변화되었다. This study intends to explore how production network changes in the process of the foreign direct investment, by comparing a Korean firm with a EU firm. Shanghai Volkswagen was established in 1984. The Chinese government imposed strong regulation of high local content in the early period of reform, and also granted various incentive for the Volkswagen to increase local content. Instead of replicating its own production system, the Volkswagen reconstructed the production network with local Chinese suppliers as well as global suppliers. Beijing Hyundai was established in 2002 right after China became a WTO member. The localization regulation cannot be imposed under the WTO rule, and the Chinese centralgovernment and the Beijing municipal government provided Hyundai with autonomy for the production network. Unlike Volkswagen, the Hyundai automobile replicated its own production network by moving to China together with Korean suppliers. While both cases show similar outcomes, the high rate of localization, the different constraints and responses resulted in different changes in production network.

베트남 소재 한식당 경영주 사례조사를 통한 한식세계화 방안

정혜경 ( Hae Kyung Chung ),김미혜 ( Mi Hye Kim ),김행란 ( Hang Ran Kim ),김양숙 ( Yang Suk Kim ),최정숙 ( Jeong Sook Choe ),우나리야 ( Na Ri Yah Woo ) 한국식생활문화학회 2011 韓國食生活文化學會誌 Vol.26 No.4

This study aimed to identify efficient methods for the globalization of Korean food in Vietnam. For this, we interviewed owners of 11 Korean restaurants in Hanoi and 9 Korean restaurants in Ho Chi Minh. Due to the rapid economic development of Vietnam, the restaurant industry for the middle class has drastically increased. For the globalization of Korean food, new positioning of Korean restaurants is needed. Research has shown that Korean restaurants need to change their style of management. Although the first generation of Korean restaurant owners managed restaurants as a family business, a new professional management system is now required. Above all, it is necessary to develop and support a comprehensive food culture system in which the menu is suited to the taste of the natives and its recipe is distributed with food material quality control, hygienic control, and operation of a localized management system.

miR-18a-5p MicroRNA Increases Vascular Smooth Muscle Cell Differentiation by Downregulating Syndecan4

Kee, Hae Jin,Kim, Gwi Ran,Cho, Soo-Na,Kwon, Jin-Sook,Ahn, Youngkeun,Kook, Hyun,Jeong, Myung Ho The Korean Society of Cardiology 2014 Korean Circulation Journal Vol.44 No.4

<P><B>Background and Objectives</B></P><P>Differentiation and de-differentiation of vascular smooth muscle cells (VSMCs) are important events in atherosclerosis and restenosis after angioplasty. MicroRNAs are considered a key regulator in cellular processes such as differentiation, proliferation, and apoptosis. Here, we report the role of new miR-18a-5p microRNA and its downstream target genes in VSMCs and in a carotid balloon injury model.</P><P><B>Materials and Methods</B></P><P>Expression of miR-18a-5p and its candidate genes was examined in VSMCs and in a carotid artery injury model by quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and microRNA microarray analysis. VSMC differentiation marker genes including smooth muscle (SM) α-actin and SM22α were determined by Western blot, qRT-PCR, and a SM22α promoter study. Gene overexpression or knockdown was performed in VSMCs.</P><P><B>Results</B></P><P>miR-18a-5p was upregulated in the rat carotid artery at the early time after balloon injury. Transfection of the miR-18a-5p mimic promoted the VSMC differentiation markers SM α-actin and SM22α. In addition, miR-18a-5p expression was induced in differentiated VSMCs, whereas it decreased in de-differentiated VSMCs. We identified syndecan4 as a downstream target of miR-18-5p in VSMCs. Overexpression of syndecan4 decreased Smad2 expression, whereas knockdown of syndecan4 increased Smad2 expression in VSMCs. Finally, we showed that Smad2 induced the expression of VSMC differentiation marker genes in VSMCs.</P><P><B>Conclusion</B></P><P>These results indicate that miR-18a-5p is involved in VSMC differentiation by targeting syndecan4.</P>

학교 급식이 일부 학령기 아동의 혈액성상에 미치는 영향

정해란(Jeong Hae Ran),나혜복(Na Hye Bock) 韓國營養學會 1993 Journal of Nutrition and Health Vol.26 No.2

Histone deacetylase and GATA-binding factor 6 regulate arterial remodeling in angiotensin II-induced hypertension

Kim, Gwi Ran,Cho, Soo-Na,Kim, Hyung-Seok,Yu, Seon Young,Choi, Sin Young,Ryu, Yuhee,Lin, Ming Quan,Jin, Li,Kee, Hae Jin,Jeong, Myung Ho Wolters Kluwer Health, Inc. All rights reserved. 2016 Journal of Hypertension Vol.34 No.11

<P>Objective:Histone deacetylase (HDAC) inhibitors have been reported to improve essential and secondary hypertension. However, the specific HDAC that might serve as a therapeutic target and the associated upstream and downstream molecules involved in regulating hypertension remain unknown. Our study was aimed at investigating whether a selective inhibitor of class II HDAC (MC1568) modulates hypertension, elucidating the underlying mechanism.Methods:Hypertension was established by administering angiotensin II (Ang II) to mice before treatment with MC1568. SBP was measured.Results:Treatment with MC1568 reduced elevated SBP; attenuated arterial remodeling in the kidney's small arteries and thoracic aorta; and inhibited cell cycle regulatory gene expression, vascular smooth muscle cell (VSMC) proliferation, DNA synthesis, and VSMC hypertrophy in vivo and in vitro. Ang II enhanced the expression of phosphorylated HDAC4 and GATA-binding factor 6 (GATA6) proteins, which were specifically localized in the cytoplasm of cells in the arteries of kidneys and in aortas. Forced expression and knockdown of HDAC4 increased and decreased, respectively, the proliferation and expression of cell cycle genes in VSMCs. GATA6, a newly described binding partner of HDAC4, markedly enhanced the size and number of VSMCs. Calcium(2+)/calmodulin-dependent kinase II (CaMKII), but not HDAC4, translocated from the nucleus to the cytoplasm in response to Ang II. CaMKII and protein kinase D1 were associated with VSMC hypertrophy and hyperplasia via direct interaction with HDAC4. MC1568 treatment weakened the association between HDAC4 and CaMKII.Conclusion:These results suggest that class II HDAC inhibition attenuates hypertension by negatively regulating VSMC hypertrophy and hyperplasia via the CaMKII/protein kinase D1/HDAC4/GATA6 pathway.</P>

헤어미용서비스 제공자의 비언어적 커뮤니케이션이 고객신뢰와 고객충성도에 미치는 영향

국혜란 ( Hye-ran Kook ),나해윤 ( Hae-yun Na ),김서희 ( Seo-heui Kim ) 한국미용학회 2016 한국미용학회지 Vol.22 No.5

The purpose of this study was to examine the effects of nonverbal communication on customer trust and customer loyalty in hair and beauty service providers to build up a hair and beauty service strategy according to customers’ various needs and market changes. A questionnaire survey was conducted. Using a SPSS v. 21. statistical package program, frequency analysis, exploratory factor analysis, correlation analysis, linear regression analysis, and mediated regression analysis were performed. The results were as follows. The test of hypothesis 1 and 2 showed that expression language, spatial language, paralanguage, and appearance language of nonverbal communication had an important effect on customer trust and customer loyalty. The test of hypothesis 3 showed that customer trust had an effect on customer loyalty. The test of hypothesis 4 showed that customer trust met a partial mediation condition in the relationship between expression language, spatial language, paralanguage, and appearance language and customer loyalty. The findings suggest that the quality of nonverbal communication that has an intangible characteristic has an effect on customers’ service evaluation and works on a very important element in the process of service delivery. Customers’ evaluation of service quality is based on interaction between hair and beauty service providers and customers. Therefore, nonverbal communication quality should be steadily improved with technique. Also, related education system should be built up to develop various communication skills and have face-to-face activity to promote customer trust and royalty.

CPAP 사용으로 유발된 조증 삽화 1예

나해란,강은호,유범희,Na, Hae-Ran,Kang, Eun-Ho,Yu, Bum-Hee 대한불안의학회 2008 대한불안의학회지 Vol.4 No.2

저자들은 심한 수면 무호흡증을 가진 성인 남자에서,CPAP 치료 후 조증 및 경조증 삽화가 유발된 증례를 보고하였다. 본 증례는 정신과적 병력 및 가족력이 없던 환자에게서 CPAP 치료 후 조증 삽화와 경조증 삽화가 연속해서 유발된 첫 번째 보고이다. 환자는 CPAP 치료 시작 직후부터 약 한달 동안 기분 고양감과 목적지향 활동의 증가를 보이다가 2~3일만에 정신병적 증상이 동반된 조증 삽화를 보였다. 또한 퇴원 후 투약을 지속하면서 다시 CPAP치료를 한 직후 경조증 삽화로 추정되는 일련의 기분 및행동 변화가 나타났다. 따라서 이 환자의 조증 삽화와 경조증 삽화로 추정되는 기분 변화는 CPAP 치료로 유발되었을 가능성이 있다고 판단되었다. 폐쇄성 무호흡증이 심하여 CPAP 치료가 처방되는 경우에 임상의들은 정신과적 질환의 기왕력이나 위험 인자가 없는 환자에서도 조증상태가 발생할 수 있는 가능성에 대해 유의하여야 하고, 주기적으로 객관적인 척도를 사용하여 기분 변화 정도를 점검할 필요가 있다. 특히 CPAP 사용 후 특별한 이유 없이 행동 변화나 기분 고양의 정도가 심해질 때는 조증 가능성을 의심해 보아야 할 것으로 사료된다. Continuous positive airway pressure (CPAP) has been known as a safe and effective therapy for the patients with obstructive sleep apnea (OSA). Previous studies on CPAP treatment have often reported significant improvement in mood state in those patients. However, there are very few reports on its potential to induce manic or hypomanic episode in the patients with OSA. We report a case of 34-year-old patient with OSA who developed manic and hypomanic episodes consecutively after CPAP treatment with facial mask. We suggest that CPAP treatment could induce a manic or hypomanic episode in patients with obstructive sleep apnea.