The aim of statistics education is to enhance statistical thinking. Variability is the key components of statistical thinking. The research has been reviewed preceding research about variability of data. Proceeding from what has been considered above, this research developed learning materials that investigated the concept of variability as it relates to Freudenthal's context by having students sort a particular context. The research is executed the case study evidently aimed at Junior High School 3rd Grade Student's Understanding of Variability. The study of variability in data can be an important start to reach a testing of statistical hypothesis; students reduce data and draw graphs by relating probability distribution to relative frequency and normal distribution. Thus, this study offers basic materials into developing both contents and methods of education need to consider with this sense of purpose held by students to achieve this goal.
The aim of this study is to survey the eating habits and nutritional knowledge of children in Pusan, with a view to uncovering problems and their underlying causes and cultivating desirable dietary habit and nutrition for children. Three hundred and fifty six elementary school students were asked questions about their eating habits and nutritional knowledge as well as general information about their personal characteristics. The results showed: 1. Only 53.5% of the subjects had breakfast every day. Seventy-six percent of the subjects had dinner every day. Only 40% of the children took meals and talked with family at both breakfast and dinner. Thus there was little opportunity for dietary guidance by parents. 2. About half of the subjects answered that their appetite decreased after eating snack foods between meals. A third of the subjects liked the baked goods as snacks. Because of their high sugar and fat content, they can damage children's health, resulting in child diabetes and tooth decay. For this reason, careful education is necessary to allow children to be able to select snack foods that are appropriate in kind and quantity. 3. About 85% of the subjects had an unbalanced diet. Therefore systematic nutrition education at school is necessary to instill in children the value of balanced diet. 4. Children preferred rice to other cereals as a staple food. They disliked kimchi, seasoned and blanched foods and salads as subsidiary foods. It is therefore necessary to teach children systematically the nutritional advantage of cereals and vegetables and to heighten their awareness of Korean food culture. 5. Children had a low level of nutritional knowledge. The knowledge of specific nutrients was lower than that of foods. In conclusion, systematical educational programs need to be developed at elementary school. These should include information about achieving a balanced diet, good eating habit, meal management and Korean dietary culture. Nutritional education at home must be emphasized.
Journal of the Korea Academia-Industrial cooperation Society
/
v.15
no.8
/
pp.5242-5247
/
2014
The aim of this study was to specify the procedures of problem design for employing problem based learning (PBL) and designing problems for the learning content of the subject. The procedures for designing good problems are composed of the selection of educational contents, determining the learner's characteristics, identifying problems, setting roles and situations, and writing down problems. Using the procedures, four integration problems covering the contents of a creative engineering design subject were designed. The talent needed in a current industrial site can be fostered with PBL, not whole-class learning. A creative engineering design subject based on PBL was planned, which focused on the process of design problems. To make an effect of this PBL, studies applying this instructional design to many lectures should be implemented.
Purpose: This aim of the present study was to assess a newly developed education program for HIV/AIDS counseling nurses. Methods: An education program was developed based on literature reviews, previous project analysis, focus group interview and expert meetings. The program comprised of 3 levels: basic, advanced, and intensive, which included 80, 70, and 60 hours of education, respectively. From May to December in 2012, 17 counseling nurses completed the program and we evaluated their learning achievements, attitudes towards AIDS, confidence in consultation, empathic ability, and training sessions. We also measured the nurses' satisfaction with the program before and after completion. Results: After completing a monthly education program lasting 12-15 hours, the nurses' mean learning achievement was 88.5%, 88.3% and 91.4% out of the basic, advanced, and intensive levels, respectively. Although the nurses' attitudes towards AIDS did not change, their confidence and empathic abilities increased following the basic and intensive components of the programs. Satisfaction with the educational sessions and program operation was 4.23 out of 5.0. Conclusion: This newly developed education program for HIV/AIDS counseling nurses promoted learning achievements as well as, confidence and empathic ability in consultation. HIV/AIDS counseling nurses should receive continuous education opportunities to enhance their potential.
Kim, Joon Yub;Jung, Myung Gon;Kwon, Ki Bum;Chung, Seok Won
Clinics in Shoulder and Elbow
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v.19
no.2
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pp.67-72
/
2016
Background: The aim of this study was to analyze the questions in the shoulder and elbow section of the Korean Orthopaedic In-Training Examination (KOITE) and compare them with those of the US Orthopaedic In-Training Examination (US OITE). Methods: Twenty-nine questions in the shoulder and elbow section of the KOITE from 2010 to 2014 were analyzed and compared with those of the US OITE (80 questions) by literature review. A thorough analysis of the contents was performed after categorizing as topics, diagnostic tools, treatment modalities, taxonomic classification, and references. Results: The shoulder and elbow section of the KOITE was 5.8% weight which was similar to the US OITE (5.9%). The most commonly appearing topic was anterior labral injury (17.2%) on the KOITE compared to instability and arthritis (21.3%, each) on the US OITE. Magnetic resonance imaging was most frequently appeared imaging modality on the KOITE (41.0%) compared to the radiograph on the US OITE (43.0%). The Latarjet procedure was the most commonly asked treatment modality (22.2%) on the KOITE, whereas arthroplasty (33.3%) on the US OITE. The KOITE showed an even taxonomic classification distribution compared to the US OITE. Campbell's operative orthopaedics covered 96.6% questions as a reference on the KOITE compared to the Journal of Bone and Joint Surgery, American Volume on the US OITE, which covered 45.0%. Conclusions: This specific analysis shows us current trends of the shoulder and elbow section of the KOITE and it might be developed for use in the educational curricula for the trainee.
Journal of the Korean Society of Earth Science Education
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v.6
no.2
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pp.145-151
/
2013
The aim of this research is clarify the relationship between concept understanding degree about the environment and environmental sensitivity and heighten understanding of environmental education target to pre-service elementary teacher. The subjects of this study are science education intensive course 65 students of B educational university. Concept understanding degree about the environment was separately investigated by 'the definition of environmental education', 'Write The positive concept of the natural environment education and briefly describe.''The negative concept of the natural environment education and briefly describe'. Next clarify the relationship between concept understanding degree about the environment and environmental sensitivity target to pre-service elementary teacher. Based on these results, propose an alternative to cultivate pre-service elementary teacher's knowledge about environmental education. Degree of understanding of the concept environmental education research results are as follows. First, Cognition degree about definition of environmental education of pre-service elementary teacher is correctly recognized generally. Second, They do not think deeply about natural environment when it comes to the positive concept of the natural environment of pre-service elementary teacher. Third, They have only a little interest in natural environment when it comes to the negative concept of the natural environment of pre-service elementary teacher. Correlation research results of degree of understanding of the concept of environmental and environmental sensitivity are as follows. High understanding degree of environmental education is high environmental sensitivity. Heighten environmental sensitivity of pre-service elementary teacher will be sustainable environmental education so education is necessary for environmental Sensitivity training.
This research aims to examine the characteristics and main subjects of the mathematics class-criticism by elementary' teachers. In this aim, we analyzed the mathematics class-criticism by the 11 elementary teachers. As the results of this research, the elementary teachers criticized the mathematics class while understanding and describing the class as it is. And mathematics class-criticism by elementary teachers showed contextual and situational characteristics. Furthermore, the main subjects of mathematics class-criticism by elementary teachers were identified as mathematical communication, teacher's question to foster the students' mathematical thinking, appropriateness of task, motivation for students, concrete operational activity, appropriateness on teacher's mathematical behavior and teacher's use of mathematical term, experience of inductive reasoning. While, we identified the significance of mathematics class-criticism for elementary teachers. The elementary teachers pointed out the necessity and importance of the mathematics class-criticism on the mathematics class in usual context.
The aim of this study was to investigate the actual conditions underlying frequency of eating breakfast and nutritional attitudes in elementary school students in Chungnam area. Students had the highest ratio for eating breakfast everyday and spent 10-20 minutes eating breakfast. Students went to bed at 10-11 PM and woke up at 7-7:30 AM in the morning on average. The biggest reason for skipping breakfast was insufficient time in the morning. Additionally, favorite breakfast menu of subjects was a Korean style meal. The number of elementary students that recognized necessity of nutritional education was highest among subjects. Favorite educational method of subjects was education by teachers. Additionally, number of female students that recognized effect of breakfast on health status was significantly higher than boy students. Ratio of eating breakfast everyday was dependent on BMI value. Most subjects preferred video learning materials as the main nutritional education method. Overweight subjects showed the highest ratio for eating with loss of willpower compared to other students when they skipped the breakfast. Female subjects ate a greater variety of foods compared to male students, and showed better nutritional attitudes towards a desirable dietary life than male subjects. To prevent undesirable food habits and improve intake of various nutrients, systematic nutrition education is required to regulate breakfast of elementary students.
Atopic related skin symptoms must be controlled continually. Because it is involved with food, eating behaviors play an important role in the prevention and management of atopic dermatitis. The aim of this study was to develop and apply nutrition education program for the prevention and management of atopic dermatitis on elementary school students. After applying the nutrition education program, our research attempts to evaluate the effectiveness of such nutrition education program. This study examined the effects of a nutrition education program on atopic dermatitis-related snacking behaviors, eating attitudes, and food behaviors. Subjects were 3rd grade elementary school students in Daejeon. A 6-week nutrition education program was implemented to 97 children as the educated group and another 94 children were included in the study as the control group. A self-administered questionnaire was used to assess the effects of nutrition education program. As results, eating attitudes reached significant improvement by the nutrition education program(p<0.05). In a paired t-test, the control group did not show significant difference, but the educated group showed a significant difference. In snacking behaviors, the two groups did not show statistical difference except for some considering factors. Also, there were no significant differences of the two groups after nutrition education program, except the snacking place after the nutrition education group. However, in the educated group, the types of snacks made by mothers increased 17.5% from 40.2% to 57.7%, and in-house as snacking place increased 13.4% from 68% to 81.4%. In the results of before and after the nutrition education program, the program showed some effect on the prevention and management of atopic dermatitis. Therefore, these results showed foundation for nutritional education and various educational programs are needed afterward to increase the effect of nutrition education in the prevention and management policy related to atopic dermatitis.
The aim of this paper is to explore and understand, using in-depth interviews, the participant's interests and discourse analytic expressions in studying the notion of infinity and limit. In addition we tried to understand how the participant's ways of dealing with math and thinking patterns on the polygons whose boundary is infinite but area is finite as they brought up such examples. Further follow-up questions are posed on the infinite sum of a smallest number close to 0 and the sum of infinite sets of different smallest numbers close to 0. Larger aspects of two pre-service teachers' subjective thinking patterns and colloquial discourses were sketched by contrasting the three posed tasks. Cross case discussions are provided with several suggestions for the future research directions.
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