• Korean Journal of Health Education and Promotion
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• v.16 no.2
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• pp.55-66
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• 1999

To evaluate the status of the contact to lascivious computer programs and sexual attitude and behaviour by the grades of middle school boy students, the questionnaire survey was done on 715 students of five middle schools in Pusan and Kimhae area from December 15 to December 24, 1997. The data were analyzed by PC SAS; $X^2$ -test. The level of significance was 0.05. 404 students (56.5%) had a personal computer in their home. 516 students(72.2%) have experienced of using a computer program. 294(57%) of them usually played a game with computer. 514 students(71.9%) had experiences of the contact to a lascivious computer program, which increased with the grades of the students(p〈0.05). The first exposure to a lascivious program was when they were elementary school students in 24.6% of first grade middle school student, 13.8% of second grade, and 11.3% of 3rd grade students. 92% of the students was introduced to first contact through their friends. 63.7% of them watch the program at their friends home. The most common drives to contact to a lascivious programs were curiosity (53%). Sexual desire was a higher drive in third grade students (20.6%) than lower grades. After contacting to a computer lascivious program, desire of masterbation was more frequent in lower grade students. and feeling disgust was more frequent in higher grade students (p〈0.05). Frequence of masterbation or sexual intercourse was higher in high grade students(p〈0.05) In conclusion, distribution and popular use of computer attributes to the increased exposure to lascivious programs and lowering the age of first exposure. There was the difference according to the grades in the feeling and sexual behaviour after contacting to computer lascivious program. Appropriate methods to protect young students to contact a lascivious program should be sought. The use of computer should be educated in elementary school students accompanied by proper sex education.

• Journal of Korean Elementary Science Education
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• v.23 no.1
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• pp.50-60
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• 2004

The purpose of this study was to define teachers' learning motivation strategies and students' responses by analyzing science classes and interviews. The subjects were first grade and sixth grade teachers and students of an elementary school. The analysis tools are based on Keller's ARCS theory. The differences of teachers' motivation strategies were analyzed by grades and teachers' and students' backgrounds. The interviewers were composed of three teachers and three students of first grade, and three teachers and three students of sixth grade. The data were collected by recording of the classes using tape recorders, video cameras, and notebooks written by researchers. The results are as follows. First, teachers had their own styles of teaching strategies in their classes. Especially teachers' teaching backgrounds affected on the teachers' instructional strategies. The teachers who had long teaching experiences of lower grade students used to show a lot of attention strategies. While the teachers with long teaching experiences of higher grade students used to show few learning motivation strategies. Especially, sixth grade teachers used to show fewer confidence strategies than first grade teachers. Second, all of the teachers used to show few satisfaction strategies commonly in all the classes observed. Third, the students' recognition of the motivation strategies were not different according to their conceptions or activities of the classes. Commonly first grade students focused on the attention strategies, while sixth grade students focused on negative motivation strategies. Fourth, the teachers who believed that students need detail guidance and control recognized the needs of satisfaction strategies by students' autonomous activities after observing video tapes of other teachers' classes.

• Journal of Environmental Health Sciences
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• v.44 no.2
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• pp.143-152
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• 2018

Objectives: The purpose of this study was to provide basic data for air pollutant exposure modelling and understanding the contribution of respective microenvironments by assessing the time-activity patterns of Korean students according to variables such as grade, sex, weekday, and weekend. Methods: In this study, we compared the residential time of 521 (both weekday and weekend) lower elementary students, 1,735 (1,054 on weekdays, 681 on weekends) upper elementary students, 2,210 (1,294 on weekdays, 916 on weekends) middle school students, and 2,366 (1,387 on weekdays, 979 on weekends) high school students in different microenvironments according to grade, sex, weekday, and weekend. We used data from the 2014 Time-Use Survey by the Korean National Statistical Office for upper elementary students through high school students, and surveyed time-activity patterns of 521 lower elementary students aged 7-9 years. Each microenvironment was divided into indoor, outdoor, and transport. Indoor environments were divided into home, school, and other places. In addition, the results of previous studies were compared to this study. Results: Weekday time-activity patterns of Korean students indicated that lower elementary students spent $16.02{\pm}2.53hr$ in the home and $5.37{\pm}2.32hr$ in school. Upper elementary students spent $14.11{\pm}1.79hr$ in the home and $6.27{\pm}1.37hr$ in school. Middle school students spent $12.83{\pm}2.22hr$ in the home and $7.48{\pm}1.88hr$ in school. High school students spent $10.65{\pm}2.86hr$ in the home and $10.23{\pm}2.86hr$ in school on weekdays. High school students spent the least amount of time in the home and the most time in school compared to other grades Conclusions: Students spent most of their time indoors, including in the home, school, and other indoors. On weekdays, as the grade increases, home residential times were decreased and school residential times were increased. Differences in time-activity patterns according to sex were not found for either weekdays or weekends. It is estimated that Korean students could be affected by school indoor air quality. High school students could be most affected by school indoor air quality since they spent the most time at school.

• Child Health Nursing Research
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• v.10 no.4
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• pp.431-441
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• 2004

Purpose: The purpose of this study was to develop a sexuality education course of study for students in the lower grades of elementary school. Method: On the basis of the sexuality education guidebook for elementary school students published by Korea Ministry of Education & Human Resources Development, the state-designated textbooks for first to third grade were analyzed. Results: 1) In the category of physical and psychological development, physical development and psychosexual development content were covered, but not sexual health content. 2) In the category of understanding of human relationship, marriage and family, and the opposite sex and love were presented but self-determination and selection were only partially presented. 3) In the category of sexual culture and sexual ethics, sexual role in society was covered, but not social environment or equality of the sexes. Conclusion: These results suggest that content on sexuality which is not covered in textbooks for students in lower grades should be included in other school courses or activities in class.

• Journal of the East Asian Society of Dietary Life
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• v.16 no.1
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• pp.13-22
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• 2006

To analyze the dietary behavior and food preference of Korean youth, we surveyed 140 elementary school 6th grade students and 154 high school first grade students in Youngnam Provinces. The average height and weight for the elementary school students were 153cm and 45.3kg for boys and 153.4cm and 44.6kg for girls. The body types depending on the body mass index(BMI) were 45.7% for under-weight, 47.1% for standard, 3.6% for overweight and 3.6% for obesity. The average height and weight for the high school students were 172.5cm and 64.5kg for boys and 160.1cm and 51.7kg for girls. The body types depending on the BMI were 11.0% for under-weight, 70.8% for standard, 13.0% for overweight and 5.2% for obesity. In their food preference, they preferred one-dish food to main dishes and rice with cereals was more popular among high school students. There were higher standard scores in fruit, snack, fried, and Kimchi dishes and high school students showed a high preference especially for snack and fried foods. The Kimchi dishes were more popular among elementary school students and they showed high scores in those dishes regardless of how they were cooked. There was the lowest preference for Korean vegetable salad and the highest for food cooked with meat In conclusion, a difference was found in the food preference of elementary school and high school students and the nutrient intake of elementary school students was lower than that of high school students. Therefore, elementary schools should provide proper nutritional education for students.

• The Korean Journal of Elementary Counseling
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• v.7 no.1
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• pp.91-108
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• 2008

The goal of this study is to examine the sociality and school adjustment of elementary school lower-class students. The following research hypotheses were set up and addressed: Hypothesis 1: There would be significant differences in sociality of the elementary school lower-class students according to activity - making friends group counseling Program. Hypothesis 2: There would be significant differences in school adjustment of the elementary school lower-class students according to activity - making friends group counseling Program. The subjects for the study were 20 first grade students attending N elementary school in Daejeon area. The students were assigned to the two groups-experimental group(N=10) and controlled group(N=10). The experimental group received 10 sessions of the activity - making Friends group counseling program for 40 minutes by 2 times every week, and the controlled group didn't do anything. To verify the hypotheses, two tests(sociality and school adjustment tests) were administered for the pretest and post-test. Means and standard deviations obtained from these tests were analyzed with factorial covariance test using SPSSWIN(10.0). The results were as follows: Hypothesis 1 was confirmed. The scores of experimental group were significantly higher than those of controlled group in sociability, cooperation and independence, but not in observance. Hypothesis 2 was confirmed. The scores of experimental group were significantly higher than those of controlled group in teacher-student relationship, student-student relationship and classes, but not in the keeping rules. The conclusion of the result is that the program have a good effect on the elementary school lower-class students' sociality and school adjustment. Above all, along with long-term adaptability of the research, continuous studies are required.

• Journal of the Korean Home Economics Association
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• v.38 no.8
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• pp.85-97
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• 2000

The purpose of this study was to evaluate the dietary attitude and food behavior of elementary, middle and high school students in Korea. The subjects in this study were 7,698 boys and girls in large cities in Korea. The questionnaire was made and distributed to the students to answer the questions. Followings are the results of this study : 1) Father and mother's average ages were 45 and 41 years old, respectively. 2) Most students thought dietary life was more important than clothing or residentary life. Dietary habits such as irregularity of meal, frequencies of skipping meal and of eating out increased in higher grade than in lower grade, and in girls than in boys. 3) Most students, especially in elementary school, recognized that their own bad dietary habbit was unbalanced diet. Irregular meal time and eating too much were also pointed out as problems by middle and high school students. 4) Most students thought that the most effective meal for health was breakfast, but they replied the tartest meal as dinner. 5) Students tended to prefer Korean style food. Cooked rice and kimchi, ramyun, and pizza were ranked the most preferred food when they were hungry. 6) Elementary school students ate meals more regularly than higher grade students, and girls ate meals more regularly than boys. 7) Skipping rate of breakfast was higher than that of lunch or dinner, and the percentage of meal skipping students was increasing with grade elevation. No time to eat or eating between meals was the reasons of irregular meal time. 8) Frequency of dining with family was decreased, but frequency of eating out with friends was increased with increasing grade. The gravity of dining out is increasing rapidly in Korean adolescents. Therefore, nationwide nutrition education policy is necessary to constitute a right dietary environment and a desirable dietary altitude.

• Journal of the Korean Society of School Health
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• v.21 no.2
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• pp.35-46
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• 2008

Purpose: This study was a part of preliminary survey for establishing Korean HPS(Health Promoting School) model which was originally suggested by WHO. Methods: Three elementary and middle schools were sampled in urban and rural area across three level of social-economic status, and survey was conducted on one class in each grade by random selection. To measure mental health and social and familial factors, self-esteem scale, self-efficacy scale, depression scale, family cohesion scale, parent-child communication scale, adolescent's mental health and problem behavior questionnaire(AMPQ), and other question items about family status and economic level were conducted. Students' mental health level was compared by region, sex, grade, and other familial and economic factors. Results: Familial and social factors such as economical and educational level of parents, number of family members were different between rural and urban area. Also, students of rural area got lower scores at self-esteem, self-efficacy, but higher scores at extroverted problem behavior than their urban counterparts. In pre-school students, high grade students' self-esteem, and family cohesion scores were lower than low grade students. And sexual differences were found across problem behavior domain and region in middle school students. Especially, the students of single-parent family and lower economic family got insistently low scores at various mental health related scales. Conclusion: These results should be considered, when the HPS model is designed and applied in Korea.

• The Korean Journal of Food And Nutrition
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• v.18 no.2
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• pp.155-160
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• 2005

The purpose of this study is to provide basic informations for satisfaction degree for school lunch program of elementary school students in Yongin city. The questionnaire for the 646 subjects of the investigation included degree of satisfaction in school lunch program, sufficiency of the amount of foods provided, time of supplied milk intake, the greatest effects on food habits after receiving school lunch program, and primary factors of effects on food preferences and food habits. More than $70\%$ of the subjects were satisfied about the school lunch program(p<0.05). Female subjects felt more sufficient about the foods provided. Categories for the sufficiency of the food amount had higher ratios in lower grade subjects indicating some necessities of adjustments for the amount of food between the higher and lower grade subjects(p.0.05). About $68\%$ of the subjects drank milk after the 1 st class. The greatest effect of school lunch program was to provide subjects various new foods, well-balanced diets and finishing the supplied foods up. The school lunch had good effects on the food preferences of the elementary school students indicating the importance of the program.

• Journal of Korean Elementary Science Education
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• v.41 no.3
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• pp.443-456
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• 2022

This study explores the possibility and development plan for science career education in the lower grades of elementary school. Accordingly, science career education programs were developed and applied. We investigated changes in perception and interest in science before and after the programs, and analyzed surveys, research journals, student worksheets, and interview records. Science career education programs for lower-grade elementary school students have a positive effect on the perception of scientists and science. Moreover, they influence students' interest in science. Lastly, students' perception of this program was positive and gave high marks to all parameters such as interest, participation, and understanding of the program.