• Title/Summary/Keyword: Methods of problem solving

Search Result 1,411, Processing Time 0.026 seconds

Nutritional Education Status and Recognition of the Importance of Elementary School Dietitians in the Gyeongnam Area (경남지역 초등학교 영양사의 영양교육 실시현황 및 인식조사 - 공동관리 여부와 경력을 중심으로 -)

  • 허은실;양한라;윤현숙;이경혜
    • Korean Journal of Community Nutrition
    • /
    • v.7 no.6
    • /
    • pp.781-793
    • /
    • 2002
  • This study was carried out to investigate the nutritional education status and the recognition of the importance of elementary school dietitians (N=183) in the Gyeongnam area. The results are summarized as follows. All subjects took part in nutritional education program, but the educational methods were passive, as in the case of “home correspondence”(80.8%) and “bulletin board poster”(16.4%), and the education frequency was very low as in “one time/month”(90.2%). The subjects thought “as an independent subject”(41.5%) and “as a related subjects”(35.1%) were suitable teaching venues for the nutritional education. They were very low in individual counseling (4.5%) for school children because of “lack of opportunity”(42.2%) and “heavy work load”(24.1%). However, most of the subjects wished that nutritional counseling could offered in the future (95.5%). The parents' experience of nutritional education was also low (34.3%). Information sources for nutritional education were mainly the “internet”(53.1%) and “re-educational materials” (25.0%). The available instructional materials included “printed materials”(96.7%), “exhibition bulletin materials” (70.3%) and “electronic materials”(46.4%). The preferred education materials were “exhibitionㆍbulletin materials”(32.2%), “printed materials”(29.2%), and “electronic materials”(27.7%). However, materials they wished to purchase were “electronic materials”(54.5%) and “cubic materials”(26.0%). These results show a difference between the preferred materials and the possessed materials. Most school dietitians (98.4%) recognized the necessity of nutritional education with respect to “good table manners”(42.0%), “correction of food prejudices”(30.3%), and “proper nutrition for growth”(21.0%) Although they had a great interest in nutritional education, they had difficulty in cutting their teaming into practice because of “heavy work load”(30.9%), “lack of a systematic curriculum”(25.2%), and “lack of a educational opportunity”(22.8%). Ninety five percent of subjects wished to have nutrition education taught as an independent subject. They pointed out “kindergarten”(60.0%) and “lower grades in elementary school”(33.9%) as the optimal starting times for nutritional education and “school dietitians”(91.3%) as suitable teachers for these programs. The required topics chosen by the subjects for nutritional education for children were “proper eating habits”(54.2%) and “nutritional problem”(31.5%). The dietitians thought “food prejudices”(44.7%), “rat too much processed and instant foods”(36.5%), and “obesity”(11.8%) were the most common nutritional problems among elementary school children. These results suggest the necessity of solving the nutritional problems in children by developing a nutritional education program. Along with this program, if dietitian assisted programs for parents were developed, the effects of nutritional education could definitely be increased.

A Study of the Definition and Components of Data Literacy for K-12 AI Education (초·중등 AI 교육을 위한 데이터 리터러시 정의 및 구성 요소 연구)

  • Kim, Seulki;Kim, Taeyoung
    • Journal of The Korean Association of Information Education
    • /
    • v.25 no.5
    • /
    • pp.691-704
    • /
    • 2021
  • The development of AI technology has brought about a big change in our lives. The importance of AI and data education is also growing as AI's influence from life to society to the economy grows. In response, the OECD Education Research Report and various domestic information and curriculum studies deal with data literacy and present it as an essential competency. However, the definition of data literacy and the content and scope of the components vary among researchers. Thus, we analyze the semantic similarity of words through Word2Vec deep learning natural language processing methods along with the definitions of key data literacy studies and analysis of word frequency utilized in components, to present objective and comprehensive definition and components. It was revised and supplemented by expert review, and we defined data literacy as the 'basic ability of knowledge construction and communication to collect, analyze, and use data and process it as information for problem solving'. Furthermore we propose the components of each category of knowledge, skills, values and attitudes. We hope that the definition and components of data literacy derived from this study will serve as a good foundation for the systematization and education research of AI education related to students' future competency.

Research to improve the performance of self localization of mobile robot utilizing video information of CCTV (CCTV 영상 정보를 활용한 이동 로봇의 자기 위치 추정 성능 향상을 위한 연구)

  • Park, Jong-Ho;Jeon, Young-Pil;Ryu, Ji-Hyoung;Yu, Dong-Hyun;Chong, Kil-To
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.14 no.12
    • /
    • pp.6420-6426
    • /
    • 2013
  • The indoor areas for the commercial use of automatic monitoring systems of mobile robot localization improves the cognitive abilities and the needs of the environment with this emerging and existing mobile robot localization, and object recognition methods commonly around its great sensor are leveraged. On the other hand, there is a difficulty with a problem-solving self-location estimation in indoor mobile robots using only the sensors of the robot. Therefore, in this paper, a self-position estimation method for an enhanced and effective mobile robot is proposed using a marker and CCTV video that is already installed in the building. In particular, after recognizing a square mobile robot and the object from the input image, and the vertices were confirmed, the feature points of the marker were found, and marker recognition was then performed. First, a self-position estimation of the mobile robot was performed according to the relationship of the image marker and a coordinate transformation was performed. In particular, the estimation was converted to an absolute coordinate value based on CCTV information, such as robots and obstacles. The study results can be used to make a convenient self-position estimation of the robot in the indoor areas to verify the self-position estimation method of the mobile robot. In addition, experimental operation was performed based on the actual robot system.

The Effects of Number-Related Fairy Tales on Young Children's Mathematical Inquiry Skills (수 관련 동화가 유아의 수리 탐구 능력에 미치는 효과)

  • Lim, Soon Hwa;Kwon, Eun Ju
    • Korean Journal of Childcare and Education
    • /
    • v.1 no.1
    • /
    • pp.37-58
    • /
    • 2005
  • The purpose of this study was to examine whether or not the use of number-related fairy tales had any effects on young children's mathematical inquiry skills in a bid to help facilitate their development of mathematical capabilities. The subjects in this study were 30 preschoolers who were four years old in Western age and attended G kindergarten in Jung-gu, Ulsan. The instrument used to assess their mathematical inquiry skills was Choi Hye-jin(2003)'s Preschooler Math Capability Inventory. The collected data wee analyzed with SPSS Win 11.5 program, and analysis of covariance was utilized. The findings of the study were as follows: The application of number-related fairy tales turned out to be effective in developing the young children's abilities to figure out the regularity of things, conception of number, geometrical abilities, measurement abilities and mathematical inquiry skills of the preschoolers. The above-mentioned findings suggested that the application of number-related fairy tales was one of good teaching methods to step up the development of young children's mathematical inquiry skills. Specifically, that could inner motivation to preschoolers in mathematical contexts and take their problem-solving skills to another level.

  • PDF

A Study on the Improvement of Computing Thinking Education through the Analysis of the Perception of SW Education Learners (SW 교육 학습자의 인식 분석을 통한 컴퓨팅 사고력 교육 개선 방안에 관한 연구)

  • ChwaCheol Shin;YoungTae Kim
    • Journal of Industrial Convergence
    • /
    • v.21 no.3
    • /
    • pp.195-202
    • /
    • 2023
  • This study analyzes the results of a survey based on classes conducted in the field to understand the educational needs of learners, and reflects the elements necessary for SW education. In this study, various experimental elements according to learning motivation and learning achievement were constructed and designed through previous studies. As a survey applied to this study, experimental elements in three categories: Faculty Competences(FC), Learner Competences(LC), and Educational Conditions(EC) were analyzed by primary area and secondary major, respectively. As a result of analyzing CT-based SW education by area, the development of educational materials, understanding of lectures, and teaching methods showed high satisfaction, while communication with students, difficulty of lectures, and the number of students were relatively low. The results of the analysis by major were found to be more difficult and less interesting in the humanities than in the engineering field. In this study, Based on these statistical results proposes the need for non-major SW education to improve into an interesting curriculum for effective liberal arts education in the future in terms of enhancing learners' problem-solving skills.

The Effect of Childhood Trauma on Anger Behavior through Cognitive Response of Anger among Prisoners (수형자들의 아동기 외상이 분노유발사건에 대한 행동적 반응에 미치는 영향과 인지적 매개효과)

  • Hwang, Da-Yeon;Lee, Kyoung-Soon;Jang, Eun-Young
    • Anxiety and mood
    • /
    • v.10 no.2
    • /
    • pp.95-102
    • /
    • 2014
  • Objective : Previous research showed that childhood trauma or domestic violence resulted in difficulties in controlling emotion and problem solving and vulnerability to psychiatric disorders. To understand the long term effect of childhood trauma, this study investigated their influences on cognitive processing of anger-evoking event and anger behavior among prisoners. Methods : All data were collected from 198 prisoners off our districts in Korea. After they consented to participate, prison officer distributed a questionnaire that included scales to demographic measure, childhood abuse (emotional abuse, physical abuse, and neglect), cognitive response of anger (attentional focus, suspicion, rumination, and hostile attitude) and behavior of anger (impulsive reaction, verbal aggression, physical confrontation, and indirect expression). For statistical analyses, SPSS 18.0 were used and path coefficients were evaluated from the structural equational modeling using LISREL 8.52. Results : Almost 50% of prisoners of our sample experienced one or more trauma during childhood. Then we tested the long term effect of childhood trauma on anger response by structural equation modeling. As expected, childhood trauma was associated with cognitive processing of anger-evoking event and anger behavior. More specifically, emotional abuse (${\beta}$=0.21, p<0.01) predicted suspicion which in turn associated with impulsive reaction (${\beta}$=0.73, p<0.001) and verbal aggression (${\beta}$=0.87, p<0.001). Emotional abuse (${\beta}$=0.24, p<0.01) also predicted hostile attitude which associated with physical confrontation (${\beta}$=0.80, p<0.001) and indirect expression (${\beta}$=0.80, p<0.001). Interestingly, physical abuse associated directly with impulsive reaction (${\beta}$=0.23, p<0.01) and indirect expression (${\beta}$=0.17, p<0.05). Neglect predicted rumination (${\beta}$=0.15, p <0.05) which associated with indirect expression marginally (${\beta}$=0.11, P<0.10). Conclusion : The results of this study, suggest longitudinal and harmful effect of childhood trauma on difficulties in controlling anger. Especially, it was revealed that childhood abuse related with processing anger evoking events more suspicious and hostile and then various anger-expressing behaviors.

The Effect of Bilateral Arm Training for the Chronic Phase After Stroke in Activities of Daily Living (양측성 상지 활동이 만성 뇌졸중 환자의 일상생활활동에 미치는 영향)

  • Lee, Hyun-Jin;Kwon, Hyuk-Cheol;Chang, Moon-Young
    • Therapeutic Science for Rehabilitation
    • /
    • v.2 no.1
    • /
    • pp.36-47
    • /
    • 2013
  • Objective : To identify the effect of bilateral arm training for activities of daily living(ADL) of the chronic phase after stroke. Methods : 20 patients with stroke, randomized to an experimental group(n=10) and a control group(n=10). Both groups received the usual occupational therapy. In addition, an experimental group received an bilateral arm training, 30-min sessions per a day for 6 weeks. The Functional Independence Measure(FIM) was used to evaluate ADL for both groups. Results : First, there is a significant difference before and after receiving the bilateral arm training(p <.05). Second, there are significant differences in all ADL areas of Self-care, Transfer, Social cognition after bilateral arm training(p<.05). Third, there are significant differences in all sub-areas of Self-care, only stairs of Locomotion, and only Problem solving of Social cognition by comparing sub-areas as bilateral arm activity(before and after) and occupational therapy intervention(before and after). Conclusion : Using bilateral arm training for the chronic phase after stroke improved their abilities of ADL. Therefore, there are an expectation to use bilateral activity training for the chronic after stroke clinically and a need of further study about bilateral arm training related to ADL in the future.

Development of Citizenship Promoting Home Economics Education Curriculum through Critical Literacy: Focusing on Housing Area of Middle School (비판적 리터러시를 통한 시민성 함양 가정과 교육과정 개발: 중학교 주생활 영역을 중심으로)

  • Oh, Kyungseon
    • Journal of Korean Home Economics Education Association
    • /
    • v.33 no.2
    • /
    • pp.57-80
    • /
    • 2021
  • The purpose of this research is to develop a Home Economics education curriculum that can promote citizenship through critical literacy. To this end, the 'housing' area in the 2015 revised curriculum of home economics and textbooks were analyzed from a critical literacy perspective. Using Laster(1986)'s critical science curriculum development course and "A Teacher's guideFamily, Food and Society"(Staaland & Storm, 1996), a 'Citizenship raising curriculum of home economics education in the housing area.' was developed. The results of this research are as follows. First, when the the curriculum was examined, the teaching objectives of the overall subject, or the achievement criteria, learning elements, and evluative methods of the housing area consisted of practical problem solving curriculum that can include critical literacy content. In addition, as a result of analyzing the text of the three textbooks' housing areas, it was found that most of them were described as adapting to and coping with the current culture, and few problems or social issues were mentioned that could lead to critical literacy. Second, the housing area curriculum for critical literacy learning was developed, with a total of 13 plan of 7 modules including continuous interests, valued ends, learning contents, and 26 learning materials including reading materials, and video materials. Based on the findings, the next curriculum and textbook should address social issues related to critical literacy and various classes of housing, and teachers' communities and training should be operated to support teachers who can be examplary for practical reasoning and critical thinking.

A Case Study on Professor's Teaching Professionalism in College of Science-Engineering Based on Pedagogical Content Knowledge (이공계열 대학교수의 수업 전문성에 대한 PCK 측면에서의 사례 연구)

  • Song, Nayoon;Hong, Juyeon;Noh, Taehee;Han, JaeYoung
    • Journal of The Korean Association For Science Education
    • /
    • v.39 no.3
    • /
    • pp.405-414
    • /
    • 2019
  • As a case study, we analyzed the professor's teaching professionalism in college of science-engineering based on pedagogical content knowledge. Two professors from the college of science-engineering located in Chungcheongbuk-do participated in this study. After collecting their syllabi, we observed their classes and conducted semi-structured interview before and after the classes. Analysis were conducted on their syllabi, taped videos, field notes and transcripts of the interview. As a result, both professors' orientation to teaching was not only related to learning subject matter knowledge, but also developing job competencies or communication skills. Their orientations were transformed according to the educational situation. After establishing the final learning goals, the professors organized weekly plan by listing the topics. However, they were unaware that the goals of each topic should be presented in detail in the class. Also, one of them presented a lack of understanding of the students' prior knowledge and showed low understanding of what aspects of the topics make students difficult to learn. In addition, the two professors applied various teaching strategies such as giving examples, questioning, and problem solving, but the degree of students' participation was not enough in the process of teaching. In the aspect of assessment, the professors had low understanding in students' achievement or feedback. Based on the results of the analysis, this study proposed methods and strategies for improving the teaching professionalism of science-engineering professors.

A study on the contents related to the plane figures of Joseon-Sanhak in the late 18th century (18세기 후반 조선산학서에 나타난 평면도형 관련 내용 분석)

  • Choi, Eunah
    • The Mathematical Education
    • /
    • v.61 no.1
    • /
    • pp.47-62
    • /
    • 2022
  • This study investigated the contents related to the plane figures in the geometry domains of Joseon-Sanhak in the late 18th century and focused on changes in explanations and calculation methods related to plane figures, the rigor of mathematical logic in the problem-solving process, and the newly emerged mathematical topics. For this purpose, We analyzed , and written in the late 18th century and and written in the previous period. The results of this study are as follows. First, an explanation that pays attention to the figures as an object of inquiry, not as a measurement object, and a case of additional presentation or replacing the existing solution method was found. Second, descriptions of the validity of calculations in some problems, explanations through diagrams with figure diagrams, clear perceptions of approximations and explanations of more precise approximation were representative examples of pursuing the rigor of mathematical logic. Lastly, the new geometric domain theme in the late 18th century was Palsun corresponding to today's trigonometric functions and example of extending the relationship between the components of the triangle to a general triangle. Joseon-Sanhak cases in the late 18th century are the meaningful materials which explain the gradual acceptance of the theoretical and argumentative style of Western mathematics