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The Effect of Project Based Learning Using Earth Science Data on Middle School Students' Knowledge-information Processing Competency, Communication and Collaboration Competency (지구과학 데이터 활용 프로젝트 학습이 중학생의 지식정보 처리 역량 및 의사소통과 협업 역량에 미치는 영향)

  • SuJin Ju;JaHeon Noh;JongHee Kim
    • Journal of the Korean Society of Earth Science Education
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    • v.17 no.2
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    • pp.137-152
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    • 2024
  • The purpose of this study is to develop a project-based learning program utilizing Earth science data and to evaluate its effects on students' knowledge-information processing competency and communication and collaboration competency. To achieve this, the ADDIE instructional design model was employed to create the program, which was then implemented with 75 second-year middle school students. The program's effectiveness was assessed using paired sample t-tests on the results of tests measuring knowledge-information processing competency and communication and collaboration competency. Additionally, reflection journals were analyzed to identify students' interest in and difficulties with the program. The study's conclusions are as follows: first, the Earth science data-based project learning program comprises three themes: 'Journey through the Planets of the Solar System,' 'I am a Marine Expert,' and 'Planning a Tidal Flat Experience Program.' Second, following the program's implementation, there was a significant improvement in the overall students' knowledge-information processing competency. Third, the program also led to a significant enhancement in students' communication and collaboration competency. Based on these findings, the study suggests the need for specific and continuous teacher support to provide students with successful experiences through the program, overcoming challenges in program implementation through collaboration with the information subject, and conducting research that microscopically analyzes students' interactions.

A Systematic Literature Review on Social Workers' Turnover in Korea (한국 사회복지사 이직연구에 관한 체계적 문헌 고찰)

  • 강철희;이종화
    • Journal of Korean social welfare administration
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    • v.21 no.4
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    • pp.74-111
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    • 2019
  • This study conducts a systematic literature review to systematically build a comprehensive understanding on the social workers'turnover in Korea.. For the selection of literature, this study searched related literature published between November 1, 1991 and August 31, 2019 through major social science databases and finally selected 53 published empirical papers based on the inclusion and exclusion criteria. Based on the 53 papers, first, this study identified authors and the publication year, time dimension (cross-sectional vs. panel) of data, types of data(primary data vs. secondary data), survey period, target population, survey area, sampling method, sample size, dependent variable, and analysis methods. Second, this study summarized methods and tools of turnover behavior measurement from the 53 papers. Third, this paper identified key factors which influence social workers'turnover behavior based on variables' statistical significance reported in 28 papers which included control variables in their analysis model. Main results of this study are as follow. First, 46 studies(87%) were published after the 2000s; 52 studies(98%) utilized cross-sectional data; 45 studies(85%) used primary data; 27 studies(51%) used data collected after the 2010s; 29 studies(55%) focused on social workers working in private social welfare organizations; 33 studies(62%) limited their survey on specific areas; 38 studies(72%) used non-probability sampling method; in 32 studies(60%) effective sample size was between 200 social workers and 400 social workers; 48 studies(91%) measured level of turnover intention; and 34 studies(64%) used multiple regression method as a analysis. Secondly, in measurement of turnover behavior measurement, 45 studies(85%) used multidimensional scales to measure level of turnover intention; 7 studies(13%) used a single question to measure level of turnover intention; and only 1 study(2%) used a single question to measure actual turnover behavior. Third, relatively consistent factors affecting social workers'turnover behavior were as follows: in personal factor, age(-), depression level(+), overall burnout(+), and emotional exhaustion(+) and depersonalization(+) of burnout were statistically significant; in organizational and job-related factor, type of organization(+ when working in a private social welfare organization), employment status(+ with temporary employment), pay level(-), experience of client violence(+), positive perception on organizational characteristics(-), job stress(+), job satisfaction(-) were statistically significant. Finally, in these papers, external environmental factor were very limitedly included in their analysis models to examine social workers'turnover behavior in Korea. As the first systematic literature review paper, this study contributes to broadening and deepening understanding on social workers'turnover studies in Korea.

A Study on the Improvement Plan through Analyzing the Perception of Expert Group about Landscape Construction Defects (조경공사 하자에 관한 전문가 집단간 인식분석을 통한 개선방안 연구)

  • Lee, Sang-Suk;Yu, Joo-Eun
    • Journal of the Korean Institute of Landscape Architecture
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    • v.40 no.4
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    • pp.104-113
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    • 2012
  • This study aimed to find out the improvement plan through analyzing the perception of the expert group engaged in landscape architectural construction and to focus on analyzing the expert groups' experience on Landscape Construction Defects (LCD), defect liability, warranty period, and implementation of the defect liability. The results are as follows: 1. Regarding the experience on the LCD, landscape construction contractors were an awareness of the LCD issue at a serious level, while public-sector clients recognize moderately the LCD issue; and on the first priority in defect implementation, landscape construction contractors considered repair cost while public-sector clients value the identifying causes of defects. 2. In disagreement on the defect liability, landscape construction contractors attributed it to client's lack of responsibility for maintenance while public-sector clients ascribed it to the absence of dealing a criteria with LCD, and regarding the appropriate defect implementation, public-sector clients preferred the following objective by dealing the criteria with LCD while landscape construction contractors advocates by sharing the responsibilities for dealing with LCD based on the identified causes of construction defects. 3. Regarding the warranty period, the public-sector clients considered the 2-year warranty period as appropriate while landscape construction contractors considered it comparatively long, and concerning the commencement of defect warranty period, the public-sector clients viewed it as it should commence to cover the overall completion of the construction while landscape construction contractors perceived it to start on the completion of each work. 4. As for the improvement of the defect implementation system, public-sector clients considered it necessary to establish the objective dealing the criteria with LCD while landscape construction contractors viewed the legislation of maintenance duty. Also, with regard to the important value in establishing and dealing the criteria with LCD, public-sector clients pointed out the objective of the criteria for determining the defects per work type while landscape construction contractors suggested client (user)'s maintenance duty. Because of research, because the system in dealing with LCD is an absence of LCD management agency and dealing the criteria with LCD, it is needed to establish an LCD management agency and make the system in dealing with LCD.

A Study on the Health Care Satisfaction and Attitude of Elementary School Students - by the presence or absence of nurse teacher - (초등학생의 보건관리 만족도와 태도에 관한 연구 - 양호교사 유무를 중심으로 -)

  • Park, Dong-Kwon;Park, Young-Soo
    • The Journal of Korean Society for School & Community Health Education
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    • v.1 no.2
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    • pp.49-71
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    • 2000
  • The purpose of this study was to serve as a basis for school health care of better quality, by making a comparative analysis of the health care satisfaction and attitude of elementary school students in consideration of their general characteristics and the presence or absence of nurse teacher. The subjects in this study were 919 selected six graders in 16 elementary schools in the city of Tongduchun, Koyang and Euijungbu, Yangju-kun and Yeunchun-kun. A survey was conducted with questionnaire designed for measurement of health care satisfaction and attitude. As a result of analyzing the data collected from June 1 through 15, 2000, the conclusions were as follows. 1) As for the general characteristics of the students investigated, the subjects included 513 boys(55.8%) and 406 girls(44.2%). The schools where 390(42.4%) students attended were located in municipal area, and the schools where 529(57.6%) students attended were located in kun area. 608(66.2%) students had a nurse teacher at their schools, while 311(33.8%) students had no nurse teacher. 498(54.2%) had an experience to use the health room this year, but 421(45.8%) had no such an experience. Their mean school life satisfaction was scored $3.42{\pm}.71$, above the average. And their health condition was rated $3.81{\pm}.87$, which implied they tended to be in good health. 2) The mean satisfaction at the health room operation was scored $3.33{\pm}.71$, above the medium level. What they were most satisfied with($4.02{\pm}1.08$) was, among the health room facilities, that there were beds. But they expressed the least satisfaction($2.83{\pm}1.17$) at the location of health room. The presence or absence of nurse teacher made a significant difference to their satisfactionat health room operation, because the students in schools with nurse teacher showed greater satisfaction($3.42{\pm}.72$) than the others in schools with no nurse teacher did($3.15{\pm}.66$). 3) Concerning their attitude to use the health room in case of disease or accident occurrence, a lot of students in schools with a nurse teacher, who had ever suffered from indigestion, headache or traumatic injury, used the health room. In schools with no nurse teacher, there was a tendency to talk to their class teachers(p<.001). The recognition of the necessity for health counseling was generally on a medium level. The counselor whom they wanted to discuss health problem with was family or friend in the largest cases. Few students discussed with class teachers in case there was a nurse teacher in school. Instead, some of them discussed with friend, family or nurse teacher, and there was a significant difference between them(p<.001). 4) The mean satisfaction at health, sanitation and environmental management was rated $3.20{\pm}.90$, above the average. The classroom lighting gave them the best satisfaction with $3.67{\pm}1.07$, but the satisfaction at toilet cleanness and disinfection was not good with $2.83{\pm}1.19$. By the presence or absence of nurse teacher, those who had a nurse teacher expressed better satisfaction at water supply facilities including hot water than the others who had no nurse teacher did(p<.001). But no significant difference was observed in the other items. 5) The health education satisfaction was rated $3.19{\pm}.99$, which was on a medium level. By item, the mean satisfaction level was $3.36{\pm}1.19$ at nurse teacher's explanation about treatment, $3.13{\pm}1.15$ at the frequency of health education, and $3.08{\pm}1.16$ at the explanation on the cause of disease. By the presence or absence of nurse teacher, the students with nurse teacher showed significantly better satisfaction at every factor0(p<.001). 6) Regarding health education attitude, their recognition of the need for school health education was scored $3.89{\pm}.96$. Those who had a nurse teacher felt it more necessary($3.96{\pm}.92$), yet the others who had no nurse teacher felt its necessity a little less($3.74{\pm}1.01$). The most preferred thing for them to learn in health education was first aid, followed by sex education, obesity prevention, safety accident prevention in school and outdoors, smoking-related health, good use of leisure time, and environmental pollution cause in the order named. According to the presence or absence of nurse teacher, there was a significant difference in sex education(p<.01), but no significant disparities were found in the other factors. The most preferred person who would offer health education was a lecturer from the outside(45.8%) and nurse teacher(45.4%). Their preference for class teacher as a person in charge of health education was just 8.8%. But the presence or absence of nurse teacher didn't produce any differences to their preference for a person in charge of health education.

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The actual conditions on drug abuse among High school students in Busan city (고등학생(高等學生)의 약물(藥物) 남용(濫用) 실태(實態))

  • Cho, Yeon-Sook
    • Journal of the Korean Society of School Health
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    • v.3 no.1
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    • pp.101-118
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    • 1990
  • This study was intended to investigate actual conditions and problems relating to a variety of substance which have been used by students. A Questionnaire survey was carried out with the subject of 2411 students in an academic boys' high school, academic girls' high school, technical boys' high school and technical girls' high school in Pusan, from the 15th day to 29th day of March, 1989. The summarized results were as follows. There was not a remarkable difference in distribution of these subjects in boys' & girls' high school. The common and good health condition of subjects accounted for 90 percent or higher. 24.4 percent of them also had smoking experience, 11.6 percent of which continues to smoking. The understanding rate of these substances name other than sedative, psychostimulants and antihypnotic accounted for 90 percent or higher. The experience rate taking these substances for one year showed that anodyne, digestive and nutritive tonic accounted for 70 percent, antihypnotic for 15.6 percent, sedative for 1.4 percent, respectively, and psychostimulants for 0.5 percent. Moreover. it was shown that drugs accounted for 1.5 percent, bond for 1.4 percent, and thinner for 0.5 percent. The rate of the daily experiencers who took anodyne, digestive, nutritive tonic, sedatives, and psychostimulants and so on was 7.7 percent, 6.2 percent, 5.2 percent, 5.9 percent, and 5.0 percent respectively. This fact implied that there was a serious problem in high school students' non - narcotic abuse. The usage rate of these substances for treatment purpose showed that anodyme accounted for 90 percent or higher, and digestive for 70-80 percent, respectively, where girl students showed higher rate than one of boy students. Additionally, there was higher the usage rate for other purposes. The usage rate of drugs was highest when these students felt melancholy and curiousity. Their obtaining place appeared that these students mainly obtained these drugs, bonds and thinners from a small shop or peddler and their friend while they usually obtained other substance from the pharmacy and medical institute. The first usage time of these substances appeared during the middle school (the age of 14-15) which was the highest rate. The smoker of all subjects used remarkly large substances as compared with one of no-smoker. Particularly, it appeared that the usage of drugs was very closely related to smoking. The large number of students did not use these substances for oesrable purposes even though they understood the name of these substances. For this reason, from primasy schools it is required to teach the students dependence and harmful effects caused by these substances abuse. Moreover, it was shown that these students firstly used these substances during the middle school (the age of 14-15)due to curiosity. As a result, it is very urgent to give the students health education suitabale for prevention of these substance abuse, when considering harmful effects of these substances. And so health education for no-smoking. Finally, considering that it is very easy to obtain these substances from a small shop and pharmacy, the regulation of these substances control should be considered and completed in the future.

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Analysis of the Longitudinal Relationship between Recovery and Adaptation Factors According to Types of School Violence Exposure in Youth: Focusing on Resilience and Social Support (청소년의 학교폭력노출 유형에 따른 회복과 적응을 위한 요인 간의 종단적 관계 분석: 사회적지지와 회복탄력성을 중심으로)

  • Kim, Dongil;lee, hye eun;Keum, ChangMin;Park, Altteuri;Oh, Jiwon
    • (The) Korean Journal of Educational Psychology
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    • v.32 no.1
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    • pp.99-130
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    • 2018
  • The purpose of this study was to examine the longitudinal relationship between resilience and social support of school violence exposure types including school bullying, victimization, and dual experience. The study used data obtained from the third year (2012) of the Seoul Education Longitudinal Study of 1,137 elementary school students in grade 6 who reported experiencing school violence. The results of the autoregressive cross-lagged model are as follows. First, as a result of measuring the self-regression coefficients of resilience and social support of the youth exposed to school violence at 3 time points (2012, 2014, and 2016), it was found for all types of violence that resilience and social support at the previous time point showed a signigicant positive effect on the same variable at the next time point. Second, in the case of the cross-lagged effects of resilience and social support, the effect of previous social support on resilience at the next time point was statistically significant for the victimization group, but not for the bullying or dual experience groups. Third, considering the opposite path from resilience to social support, resilience at the previous time point had a significant influence on the social support at the next time point for both the bullying and victimization groups. This result is new and can be complementary to the cross-sectional studies so far using a longitudinal view. The results of this study suggest that the bullying and victimized students who are relatively more resilient are less likely to perceive social support than those who are not resilient. Finally, we discuss the longitudinal relationship between resilience and social support, the limitations of this study, and implications for future research.

A study on the infant daycare center teacher practicing infant's rights respect in care giving daycare center's daily work (어린이집의 하루일과에서 영아반 보육교사가 실행하는 영아권리존중보육에 관한 연구)

  • Youn, Jin-Ju
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.6
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    • pp.407-417
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    • 2017
  • This study examined the extent to which childcare methods of infant classroom childcare teachers who respect infant rights in the everyday teaching curriculum at day-care centers occurs. To achieve these objectives, a questionnaire survey was conducted on 210 infant classroom childcare teachers who were in charge of the day-care center classrooms located in [G] city of [J] province. The results of the research confirmed that first there were no statistically significant differences when verifying the extent to which childcare methods of infant classroom childcare teachers who respect infant rights in the everyday teaching curriculum at day-care centers according to the final education level, professional experience, age, and education major of the infant classroom childcare teacher. On the other hand, the results confirmed that when analyzing for arrival time for infant classroom childcare instruction at the day-care center and for the time spent taking the infant to and from the bathroom, the infant classroom childcare teachers who had graduated from 2 year colleges showed more respect for infant rights compared to that of infant classroom childcare teachers who had graduated from 4 year universities, and for the arrival time for infant classroom childcare instruction at the day-care center and nap times, the infant classroom childcare teachers who were above 50 years of age showed more respect for infant rights compared to that of infant classroom childcare teachers who were in their 30s and 40s. The results of the research confirmed that there were statistically significant differences for both the age and education major of the infant classroom childcare teachers. When examining each of the sub-factor, the age of the infant classroom childcare teachers, respect for the infant's opinion, respect for individuality, and for information provision, infant classroom childcare teachers older than 50 years of age were shown to exercise a higher level of respect for the infant according to the rule of prioritizing the infant compared to infant classroom childcare teachers in their 30s and 40s, and infant classroom childcare teachers who majored in infant education-related majors exercised a higher level of respect for the infant for respecting freedom and autonomy compared to that of infant classroom childcare teachers who majored in welfare and childcare-related fields. The results of the research confirmed a statistically significant static correlation between the two related variables. Therefore, this suggests that the more childcare methods of infant classroom childcare teachers who respect infant rights in the everyday teaching curriculum at day-care centers, the more childcare methods of infant classroom childcare teachers who respect infant rights occurred according to the rule of prioritizing the infant. These results can be used to establish both quantitatively and qualitatively an excellent and balanced respect for infant rights.

Study on Implementation Measures of Provincial Self-governing Police System : Focusing on the Implication from Enlargement of Work Scope of Self-governing Police of Jeju Province (광역자치경찰제의 정착방안에 관한 연구 - 제주자치경찰의 사무확대에 대한 시사점을 중심으로 -)

  • Kim, Seong-Hee
    • Korean Security Journal
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    • no.59
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    • pp.37-69
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    • 2019
  • According to viewpoints of researchers and stakeholders, various opinions can be suggested on self-governing police system. Therefore, success of Korean self-governing police system will be defending on how to balance among conflicting values such as Empowerment, Political neutrality, Financial issues, Comprehensive competence in maintaining public safety. Before the launching of self-governing police system nation-wide, the experience of Jeju provincial police will be valuable model case. In specific, enlargement of work scope of self-governing police in Jeju province which has been introduced since last year will be a useful reference. There is more pessimism about self-governing police of Jeju province so far. However, this perspective is mostly based on the issue regarding hardwares such as manpower, equipment, law and organization. Issues regarding softwares such as organizational culture, operation system and work process need more attention to evaluate self-governing police system properly. To mark the first year after enlargement of work scope of Jeju police, this study demonstrate the overall result and implications of self-governing police of Jeju province based on documents, statistics, reports and media reports. In result, several preconditions are needed to implement the self-governing police system nation-wide successfully. 1. Strengthen the link between local government and local police 2. Establish the foundation for collaboration of state and local police 3. Enhance the aspect of citizen autonomy in local level 4. Reinforcing the capability of handling situation of state and local police 5. Invigorating the inter-organizational working group to operate self-governing police system effectively. The self-governing police system is unclosed topic to discuss. After this study, in-depth studies should be followed with more resources. Particularly, additional perspective including redundancy and equity need to be considered regarding self-governing police. By getting with the changes of macroscopic trends - lowbirth and aging, the fourth industrial revolution and possible reunification of north and south Koreas - these studies should suggest the long-term blueprint of self-governing police system of Korea.

Outcome of the Modified Norwood Procedure: 7 Years of Experience from a Single Institution (변형된 노우드(Norwood) 수술의 결과: 단일병원의 지난 7년간의 경험)

  • Kim, Hyung-Tae;Sung, Si-Chan;Kim, Si-Ho;Bae, Mi-Ju;Lee, Hyoung-Doo;Park, Ji-Ae;Chang, Yun-Hee
    • Journal of Chest Surgery
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    • v.43 no.4
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    • pp.364-374
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    • 2010
  • Background: We assessed the early and mid-term results of the modified Norwood procedure for first-stage palliation of hypoplastic left heart syndrome (HLHS) and its variants to identify the risk factors for hospital mortality. Material and Method: Between March, 2003, and December, 2009, 23 patients (18 males and 5 females) with HLHS or variants underwent the modified Norwood procedure. The age at operation ranged from 3 to 60 days (mean, $11.7{\pm}13.2days$) and weight at operation ranged from 2.2 to 4.8 kg (mean, $3.17{\pm}0.52kg$). We used a modified technique that spared the anterior wall of the main pulmonary artery in 20 patients. The sources of pulmonary blood flow were RV-PA conduit in 15 patients (group I) and RMBTS in 8 (group II). Follow-up was completed in 19 patients (19/20, 95%) in our hospital (mean $26.0{\pm}22.8months$). Result: Early death occurred in 3 patients (3/23, 13%), of whom 2 had TAPVC. Fourteen patients underwent subsequent bidirectional cavopulmonary connection (BCPC, stage 2) and seven underwent the Fontan operation (stage 3). Three patients died between stages, 2 before stage 2 and one before stage 3. The estimated 1-year and 5-year survival rates were 78% and 69%, respectively. On multivariate regression analysis, aberrant right subclavian artery (RSCA) and associated total anomalous pulmonary venous connection (TAPVC) were risk factors for hospital mortality after stage 1 Norwood procedure. Conclusion: HLHS and its variants can be palliated by the modified Norwood procedure with low operative mortality. Total anomalous pulmonary venous connection adversely affects the survival after a stage 1 Norwood procedure, and interstage mortality rates need to be improved.

A Study on Clothing purchase Behavior through internet of Middle and High School Students (${\cdot}$고등학생들의 인터넷을 이용한 의복 구매 행동 연구)

  • Kweon Li-Ra;Kim Mi-Jeong;Lee hye-Ja;Yu Nan-Sook
    • Journal of Korean Home Economics Education Association
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    • v.17 no.2
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    • pp.29-47
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    • 2005
  • In this study. we tried to provide basic materials for teachers to develop consumer's guide of internet shopping for middle and high school students through surveying their Purchase realities, clothing purchase behaviors. and clothing purchase attitudes when they use internet shopping mall. The questionaires were distributed to middle and high school students in Seoul, Daegu, Kyunggi, Chungbuk, Chungnam, Kyungbuk, and Kyungnam November, 2004. The followings are the results of this study. First, clothing items which were bought in internet shopping malls were shirts. shoes, pants, bags in order and they were below $20,000\~30,000$ won. Main payment method used was sending money to seller's account. Second, clothing purchase satisfaction degree was comparatively high but the satisfaction degree for the compensation policy was low. If they had any claims for the products. they were likely to behave more actively than passively. Third. returned items were shirts, pants, shoes in order which are the same as purchasing items and they were due to the size and the difference between the products recognised by computer screen and the real products. The $89.0\%$ of the subjects who have purchased clothing through internet expressed high intention to purchase in the future through internet. Forth the degree of attitude toward the internet shopping concerned with clothing purchase was high in the factor of 'convenience of shopping', especially they thought that the purchase through internet had the advantage of varieties and prices. The significant differences were found (1) in the experience of purchase and clothing purchase through internet according to their regions. school years, allowances per month, (2) in the purchased items through internet according to only their sexes, and (3) in the desired Purchase items through internet according to school years, their sexes. regions. The more frequently the middle and high school students use internet, the more goods they purchase through internet, especially the portion of the purchased clothing is getting bigger year by year. This suggests that we need to develope well-organized programs to teach good consumer's attitude to the middle and high school students when they purchase through internet.

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