안드로이드 기반 소셜 네트워크 서비스를 지원하는 '슈게더' 설계 및 구현

정효남,손예진,황준 서울여자대학교 컴퓨터과학연구소 2011 정보기술논문지 Vol.9 No.-

최근 페이스북, 트위터 그리고 카카오톡과 같은 SNS (Social Network Service)는 많으 사람들에게 인기를 얻고 있다. 사용자들은 SNS를 통해 자신의 일상을 다른 사람들에게 가시화하고, 오프라인에서 서로 모르는 사람과 친구 관계를 맺으며 서로의 생각이나 정보 등을 실시간으로 공유한다. 또한 SNS을 통해 연구 설문조사가 이루어지기도 하고, 기업은 마케팅, PR활동 그리고 고객 관리까지 SNS을 이용하고 있다. 본 논문에서는 SNS가 가진 장단점을 면밀히 분석하여 구글의 개방형 모바일 플랫폼인 안드로이드기반의 소셜 네트워크 애플리케이션, '슈게더'를 제작하였다. '슈게더'애플리케이션을 이용해 서울여대 학생들은 모르고 지냈던 사람들과의 관계 형성을 할 수 있으며, 교내에서 본인의 관심사를 타인과 함께 나눌 수 있는 효과를 기대할 수 있다.

자연과 수업에서 Vee Diagram 의 적용에 대한 연구

정진우,송보용,김효남 한국교원대학교 과학교육연구소 1994 청람과학교육연구논총 Vol.4 No.1

The purpose of this study is to analize the effect of Vee Diagram on the ability of scientific investigation, scientific attitude, cognitive ability in elementary school. For this study, 68 sixth grade students were selected and they were divided into two group: one is the experimenal group with Vee diagram instruction, the other is the control group with conventional instruction. Data were collected from the samples to know effect of Vee Diagram instruction and compared the experimental group with the control group. The result of analysis is as follows: 1. The vee diagram instruction is better than the conventional instruction for improving the scientific inquiry skills. 2. The vee diagram instruction does not show statistically meaningful difference to the conventional instruction for improving the scientific attitude. 3. The vee diagram instruction is better than conventional instuction for improving scientific knowledge. The results indicated that Vee diagram instruction is effective in learning strategy for improving scientific attitude.

수강 등록 데이터의 빈출 패턴을 이용한 학업 진척도 및 상태 분석을 위한 시퀀스 데이터 마이닝

정효남·전성희·황준 서울여자대학교 컴퓨터과학연구소 2014 정보기술논문지 Vol.12 No.-

흡연습관이 운동습관이 혈중 총 콜레스테롤에 미치는 영향

조효숙,남형천,정동혁 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.1

The purpose of this study is to suggest the direction for antismoking campaign, the appropriate training habits and control by investigating the effect of smoking habits and training habits to serum total cholesterol(STC). This investigation applied, to 520 healthy men, out-Patients at K hospital comprehensive health center in Sungbuk-Gu, Seoul with questionnaires, based on interview and self-report related to smoking habits and training habits. In this study the means and standard deviations for all items were calculated based on the data. The data verified through Independent Group t-test and Independent Group one way ANOVA with SPSS for Window Release 7.5. The significant level for verification of hypothesis was 5%. The result of this study are as follows: 1. The difference in level of STC in smoking group and non-smoking group. The smoking group contained higher level of STC by 23.31mg/dl, which was significantly different in statistics(p<.05). 2. The difference in level of STC in training group and non-training group. The training group contained higher level of STC by 27.72mg/dl, which was significantly different in statistics(p<.05). 3. The difference in level of STC in I group(non-smoking with training), II group(non-smoking with non-training), Ⅲgroup(smoking with training), IV group(smoking with non-training). The level of STC was lowest in I group and highest in Ⅳgroup, which was significantly different in statistics(p<.05). 4. The difference in level of STC in smoking with training group and smoking with non-training group by the amount of smoking per day and the duration of smoking. Regardless of the duration of smoking, the smoking with non-training group contained higher level of serum total cholesterol, which was significantly different in statistics(p<.05). In conclusion, training have an effect on the level of smoker's STC and smoking with non-training is a chief risk factor for disease related to STC. Considering the relation between smoking and training, smoking with training approved to be effective in decreasing the level of STC. Even for smokers with regular training or regular training or reducing the amount of smoking with regular training will be effective in preventing disease related to STC.

국가수준의 과학에 관련된 정의적 특성의 평가체제 개발

김효남,정완호,정진우 한국교원대학교 과학교육연구소 1998 청람과학교육연구논총 Vol.8 No.1

학생들의 과학적 소양을 기르는데에는 과학과 관련된 정의적 특성이 중요한 역할을 한다. 과학적 태도, 자연과 과학에 대한 가치, 호기심과 관심 등의 과학과 관련된 정의적 특성이 대부분의 과학교육 목표에 포함되고 있다. 이 연구에서는 과학과 관련된 정의적 특성의 평가체제와 문항을 개발하였다. 인식, 흥미와 과학적 태도의 세 개의 주범주와 16개의 소범주로 평가체제가 구성되었다. 평가체제의 타당도는 10명의 과학교육학자들에 의하여 검증되었다. 48개의 평가 문항을 문항반응분석과 문항· 검사 상관계수를 고려하여 총 64 문항 중에서 선정하였다. 크론바하 알파계수는 인식과 흥미에서 0.83이고, 과학적 태도에서는 0.86이었다. 검사의 결과는 다음과 같다. 첫째, 과학과 관련된 정의적 특성에서 남학생이 여학생 보다 더 높은 점수를 나타내었다. 둘째, 초등학생이 중등학생보다 더 높은 과학과 관련된 특성 점수를 나타내었다. 마지막으로 도시지역의 학생이 시골지역의 학생보다 더 높은 과학과 관련된 특성 점수를 보여 주었다. Science-related affective domain is considered as a very important domain for achieving students' scientific literacy. Most science educational objectives include some objectives about affective domain such as scientific attitudes, values, curiosity, interests and concerns about nature and science. In this research, the evaluation framework and items of science-related affective domain were developed. The evaluation framework consists of three main categories such as cognition, interest and scientific attitudes and 16 subcategories. The validity of the evaluation framework is tested by ten science educators. Forty-eight items are selected among item pool by considering item response analysis and item-test correlation coefficient. The Cronbach α of the tests is 0.83(cognition and interest) and 0.86(scientific attitudes). The results of the test are as follows. First, boys got higher scores than girls. Second, elementary students got higher scores than secondary students. Finally, students in urban areas showed higher scores than those in rural areas.

초·중·고 학생들의 과학 정의적 특성 추이 분석을 위한 종단적 연구

김효남,정완호,정진우,양일호,김영신 한국교원대학교 과학교육연구소 1999 청람과학교육연구논총 Vol.9 No.1

이 연구는 우리 나라 학생들의 과학의 정의적 특성의 성취 수준을 종단적으로 분석하여 국가 수준에서 과학교육 성과를 가늠해 봄으로써, 과학교육의 질을 향상시킬 수 있는 과학교육 정책의 기초자료를 제공하는데 그 목적이 있다. 이를 위하여 1997년 2월에 초중고학생 3603명, 1999년 3월에 초중고학생 4737명을 대상으로 과학의 정의적 특성을 조사하였다. 본 연구의 결과는 학교급별 과학의 정의적 특성의 성취 수준이 초등학교에서 중학교까지 통계적으로 유의미하게(p<.05) 하락 한 후 고등학교에서 상승하는 것으로 나타났다. 또한, 남학생이 여학생보다 통계적으로 유의미하게 높게 나타났다(p<.05). 남녀간의 성취수준의 차이는 학년이 올라갈수록 감소하는 것으로 나타났다. 지역별로는 소도시보다 대도시가 높게 나타났으며, 시간이 지날수록 그 차이가 커지는 것으로 나타났다. 1997년과 1999년의 성취 수준을 비교해보면 1999년의 성취수준이 통계적으로 유의미하게 낮게 나타났다. 또한, 국가수준의 과학에 대한 성취도를 분석할 수 있는 모니터 과정이 계속적으로 이루어지길 기대한다. The purpose of this study was to longitudinally analyze Korean students' trend on science-related affective characteristics and provide descriptive data for improving the quality of Korean science education. In this longitudinal study, 3603 students and 4737 students were sampled in elementary and secondary schools, respectively in January 1997 and March 1998. The result showed that students' affective characteristics were decreased with statistical significance(p<0.05) during elementary and junior high school periods, but students' affective characteristics were increased during high school period. Affective characteristics of male were significantly higher than those of females' (p<0.05). Difference on affective characteristics between female and male students was being decreased by increasing grades. Students' affective characteristics in metropolitan areas were significantly higher than those in regional areas and difference between them was increased in 1999 comparing to 1997. The students' affective characteristics in 1999 were lower than those in 1997 totally.

초등학교 학생들의 귀납연역적 추론 능력과 정신 용량 및 보석 오류와의 관계

김설한,정진우,김효남 한국교원대학교 과학교육연구소 1998 청람과학교육연구논총 Vol.8 No.1

The purpose of this study was to analyze the problem solving strategies of elementary school students and to find out correlations between the functional mental capacity, the perseveration error and the Creature Card Task solving ability. To study this purpose, four categories were selected through pilot test. The sample consisted of 231, the 4th grade students and the 5th grade students in Inchon, Korea and selected 32 students among them. Three instruments were used in this study, Creature Card Task, FIT(Figural Intersection Test) and WCST(Wisconsin Card Sorting Test). Researcher interviewed 32 students about Creature Card Task solving strategies and tests with FIT, WCST. Major findings of the study are as follows: 1. Creature Card Task solving strategies of the selected 4th & 5th grade students were different. Some students solved problems during individual interviews. 2. Creature Card Task solving abilities were significantly correlated with the functional mental capacity and the perseveration error.

도전재 첨가량에 따른 리튬폴리머 2차 전지 MCMB 부극의 전기적 특성

김상필,정재국,남효덕 嶺南大學校 工業技術硏究所 2002 工業技術硏究所論文集 Vol.30 No.2

Anode characteristics of Lithium Polymer Batteries(LPB) were investigated by adding different contents of conducting agents. Super P Black(SPB), Vapor Carbon Grown Fiber(VGCF) and Kuraha Carbon Fiber(KCF) were used as conducting agents with active material of Mesocarbon Microbeads(MCMB). In consequence, the internal resistance of LPB was decreased by increasing the amounts of conducting agents. AS a result, the conductivity of the battery improved upto 0.27×10 exp (-3)S/㎝, 0.4×10 erxp (-3)-3S/㎝ and 0.36×10 exp (-3)S/㎝ by adding SPB, VGCF and KCF as conducting agents to the anode, compared to that of the anode without conducting agents.

대동맥 협착증과 동반된 출혈성 위장관 동정맥 기형에서 Estrogen-Progesterone 치료 1예

김도연,김화정,김효정,남준식,박수영,박영미,신정은,주미순,황민규,정혜경,손혜영,이선영,이한주 大韓消化器內視鏡學會 1999 Clinical Endoscopy Vol.19 No.부록2

당귀의 품질평가법에 관한 연구

조창희,김수정,이남윤,우영아,김효진 동덕여자대학교 종합약학연구소 2001 동덕약학연구지 Vol.5 No.-

Angelicae gigantis radix is the root of the perennial plant, which belongs to family Umbelliferae. However, this herbal drug has quite different chemical components according to its different geographical origin though other herbal drugs (i.e. Leonuri Herba, Xanthii Fructus and so on) show similar major constituents. In other word, the root of Angelica gigas containing the coumarin compounds is commonly used in Korea as Angelicae gigantis radix, while Angelica sinensis and Angelica acutiloba including phthalide compounds are used in China and Japan, respectively. In this paper, Near-Infrared spectroscopy was developed to determine Genus name of Angelica spp., especially Angelica gigas and Angelica sinensis which are generally misused in the herbal market. Also X-ray fluorescence spectrometry was evaluated to analyze the differences between Angelica gigas and Angelica sinensis with their specific properties.