• Journal of the Korean Society of Clothing and Textiles
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• v.26 no.5
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• pp.691-702
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• 2002

The purpose of this study was to provide basic information on the propriety of the ready to wear garment sizes of Tween Generation(ages from 5th grade to 8th grade) who has different clothing preferences in color, styles, and design and also different body sizes and shapes from younger and older students. The objectives of the study were to ascertain (a) the body figure changes occurring during Tween Generation; (b) the coverage of manufactures'garment sizes. The body measurements of elementary school students(5th & 6th grades) and junior high school students(7th & 8th grades) provide the basic statistics for this study. The mean differences of each size within each figure type are compared by using t-teats. The differences in various manufacturers'apparel sizing and figure size are investigated. Also the body measurements and the apparel sizes of the manufacturers are compared in order to evaluate the suitability of the garment size. Results indicate that the body type factors are different in each age group. And manufactures'sizes come out to be much smaller than the actual body measurements. Young casual wear can cover junior high school students satisfactorily but for elementary school students, because of low drop-value, the overall satisfaction with filling is low.

• Journal of the Korean Home Economics Association
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• v.47 no.1
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• pp.65-73
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• 2009

The present longitudinal study examined reciprocal influence between self-esteem and academic achievement using cross-lagged autoregressive model. This study employed data(four wave) from Korea Youth Panel Survey. Participants were 300 students(143 boys, 157 girls) who were 4th graders in 2004 and 7th graders in 2007. The results of this study indicated that 4th graders' self-esteem influenced 5th graders' academic achievement, in turn, 5th graders' academic achievement influenced 6th graders' self-esteem. However, students' self-esteem in 6th grade did not influence their academic achievement during 7th grade. Conversely, 6th graders' academic achievement influenced 7th graders' self-esteem.

• Journal of the Korean Society of School Health
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• v.16 no.2
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• pp.97-110
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• 2003

The purpose of this study is to find out the relationship between internet addiction and mental health of 5-6th grade students in elementary schools and to provide some basic data to develop a program for prevention and treatment of internet addiction. The study is the research of the descriptive correlation and the subjects of the study were 643 students from 5th and 6th year children of four elementary schools in four districts which are located in G city. The data were analyzed by SAS program with frequency, percentage, means, standard deviation, x2-test, ANOVA and Pearson's Correlation Coefficient. The results were as follows: 1. In the demographic characteristics of the subjects, the boys were 50.5%, girls 49.5% and 5th grade students were 48.4%, 6th grade 51.6%. The purposes of the internet using were e-mail 40.3%, game 37.5%. 2. In the degree of the internet addiction were 4.5% of addiction, 38.7% of addiction tendency and 56.8% of non-addiction. 3. The score range of the degree of the mental health index of the subjects' were 26-28, mean 47.8. 4. There were significant differences in mental health index(F=34.01, p= .000) to the degree of the internet addiction. 5. There were significant negative correlation between the degree of internet addiction and the mertal health index(r=0.342, p= .000). The result of the study showed the students who are in high-grade in elementary school have already addicted to using of the internet as much as the youth and the more they addicted to the internet, the lower mental health index they have. According to increasing of the using internet among the elementary school students, the internet addiction of them have increased. Therefore, it is necessary to develope a program for prevention and treatment of the internet addiction.

• Journal of Korean Home Economics Education Association
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• v.14 no.2
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• pp.27-35
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• 2002

The purpose of this study was to survey the opinions on the education of the dept of clothing in vocational high schools. The respondents were students who were respectively trained by the 5th and 6th educational curriculums. The results were that the students of the 6th educational curriculums reflected more their aptitudes in choosing the department of clothing than the students of the 5th educational curriculums Because of the lack of teaching materials and teachers' ability to lead the class. the satisfaction in education of the dept. of clothing was below the average. And students wanted the increase of practice hours and to learn the special subjects. In addition, they felt the strong need for the field training. From the survey. it seemed that they were regarding the education of the dept. of clothing in vocational high schools as a job education related to their speciality. But after graduation. almost all students wanted to go to the college.

• Journal of Nutrition and Health
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• v.39 no.1
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• pp.50-57
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• 2006

The aim of this study was to evaluate the food and nutrient intakes in 5th to 8th grade school boys and girls. A total of 1,333 students were recruited from 1 elementary and 1 middle school, both located in Seoul. The data on food and nutrients intake were collected by 3-day food record. The food intake was calculated as the percentage of total energy intake according to 21 food subgroups. The consumption of noodles, and meat's products (including ham and sausage) groups were higher in 7th and 8th grade than 5th and 6th grade. On the other hand consumption of vegetables and milk & its products groups were lower in 7th and 8th grade. As results, calcium, riboflavin, and vitamin C intakes were lower in 7th and 8th grade students. Dietary patterns by cluster analysis resulted in $77\%$ of subjects with traditional pattern based rice and kimchi, and $23\%$ with modified pattern. All students regardless of grades showed high fat intake, above 20 percent energy intake from fat, and high cholesterol intakes. In conclusion, there was significant difference between 5th and 6th grade primary school students and 7th and 8th junior school students regarding food and nutrient intakes; It should be necessary to provide proper nutrient education and monitoring in order to establish good dietary profile.

• Journal of Korean Elementary Science Education
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• v.29 no.4
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• pp.451-464
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• 2010

This study examined the perception of teachers and students on the practice of elementary science class. For this study, an examination tool was made by extracting characteristics of good science class through precedent study investigation and revising it in a questionnaire form of a Likert scale, and conducted to 194 elementary teachers and 320 elementary students. As a result of the study, teachers generally perceived science class positively and teachers with career more than 6 years thought it more positively than them with career less than 5 years. Consequently students have a substantially positive perception level about the practice of the elementary science class, and students of 3th and 4th grade perceived science class positively than 5th and 6th grade in all domains. Finally when analyzing perception difference between teachers and students about the practice of the elementary science class, it appeared that students perceived science class more positively than teachers in most questions.

• Hwankyungkyoyuk
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• v.21 no.4
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• pp.40-66
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• 2008

The purpose of this study is to develop and applicate textbook relevant to school indoor air quality. To achieve the purpose, concrete study process are as follows. First, the survey research to teachers, supervisors, and students is conducted to grasp cognition of subjects in elementary school and management situation about school indoor air quality. Second, contents relevant to indoor air quality on textbooks in the 7th elementary curriculum and subsidiary textbooks is analysed through reference study. Third, environmental textbook relevant to school indoor air quality for 5th and 6th grade in elementary school is developed, applicated, and inspected its effect on the basis of implications from results of survey and reference study. The results of this study are as follows. First, the result of survey concerning school indoor air quality showed that three groups had negative attitude for its management even though they thought that it affected human's health and study by and large. Student group thought that each of students itself was a little influence to school indoor air pollution though all of three groups answered that' activities of students' was its main source. Efforts of students to improve school indoor air quality was not much, and its main reason was that they didn't know about school indoor air pollution well. Second, result of analysis into textbooks on the 7th elementary curriculum and subsidiary textbooks, contents concerning indoor air on the 7th elementary curriculum textbooks was little or nothing. And it trended to be included to subsidiary textbooks. However, education textbooks about indoor air for elementary students was insufficient still. Third, environmental textbook relevant to school indoor air quality for 5th and 6th grade in elementary school was developed. It was constructed for themes - importance, sources, effects, and management of school indoor air quality. After its application to the 6th grade students in elementary school, it was meaningful in the level of p<.05 that the result of knowledge and awareness in the pre-post test within experiment group. However, all of the results in comparison group didn't represent statistically meaningful difference. In conclusion, environmental textbook developed by necessity of education about school indoor air quality will play a role as useful tool for the 5th, 6th grade students in elementary school to understand relation of quality of health and life and school indoor air quality, to have attitude to make an effort to manage it by develop right awareness about it.

• Journal of Korean Elementary Science Education
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• v.22 no.2
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• pp.156-162
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• 2003

The purpose of this study was to explore effects of 4MAT system program on the creativity, science achievement and science-related attitudesof elementary school students. 4MAT learning program is a model based on the whole brain learning including the learning styles and the cognitive specialization of left and right hemispheres. The study was conducted for 10 weeks during the 1998 second semester in H elementary school which is located in Incheon. 4MAT learning program was applied to the 5th and 6th grade students. One hundred 5th grade students and eighty three 6th grade students are selected for this study. The experimental group was taught in applying the 4MAT system, and the control group was taught by the traditional manner. The results of this study were as follows: There was a significant difference on creativity between the instruction by applying 4MAT system and the traditional instruction. In the 6th grade, there was a statistically significant difference on science achievement and science-related attitude. In the 5th grade, there was slightly increased, but statistically onsignificant. In conclusion, the instruction by applying 4MAT system was more effective in developing student's creativity than the traditional instruction in both grades.

• Education of Primary School Mathematics
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• v.14 no.1
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• pp.69-79
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• 2011

The purpose of this study is to analyze 3rd, 4th and 5th graders' probability understanding and raise issues concerning instructional methods and search for the possibility of learning probability. For the purpose, a descriptive study through pencil-and-paper test regarding fairness, sample space, probability of event, probability comparison, independence and conditional probability was conducted. The following conclusions were drawn from the results obtained in this study. First, the 3rd, 4th, and 5th grade students scored the highest in the sample space questions. In descending order of skill, the students scored the highest in sample space following probability of events, fairness and probability comparison. Second, however, the level of independence understanding was low. There was no meaningful differences between grades and the conditional probability was the least understood. The independence is difficult to develop naturally according to cognitive development. The conditional probability recognizing the probability of an event changes in non-replacement situations was very difficult for these students. Third, there were significant differences between the 5th graders and the 3rd and 4th graders in the probability comparison questions. It shows that 5th graders understand the concept of proportion when they compare equal ratio probability of an event. The 3rd graers could do different ratio probability of an event more easily than equal ratio probability of an event after they were instructed on probability comparison.

• Journal of Korean Elementary Science Education
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• v.33 no.2
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• pp.258-272
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• 2014

The purpose of this study is to investigate the perception on sedimentary rock in elementary science 'Earth and Space' domain for elementary school students. For this purpose, questionnaires on the sedimentary rock perception were developed. And the sedimentary rock perception was examined for random sampling of 5th and 6th grade 656 students. As a result, students chosen incorrect answers of the average 53.8% for questions of sedimentary rock perception. Over the average rate of incorrect answers in 18 questions were 10 questions (3 in the creation of sedimentary rock, 5 in the classification of sedimentary rock, 2 in the sedimentary layer). When the results were stratified by residence, grade and gender, there were significant differences in 8 questions between students in urban and rural areas, in 6 questions between 5th and 6th grade students, and in 3 questions between male and female students. The study that understanding of elementary students for sedimentary rock can be provided for form the master planning the teaching strategy to student's scientific concepts in elementary school. The results are also contributed to find an effective ways for modify misconceptions of sedimentary rock to the scientific concepts.