• Research in Mathematical Education
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• v.27 no.2
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• pp.157-173
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• 2024

Researchers continue to emphasize the centrality of proof in the context of school mathematics and the importance of proof to student learning of mathematics is well articulated in nationwide curricula. However, researchers reported that students' performance in proving tasks is not promising and students are not likely to see the need to prove a proposition even if they learned mathematical proof previously. Research attributes this issue to students' tendencies to accept an empirical argument as proof for a mathematical proposition, thus not being able to recognize the limitation of an empirical argument as proof for a mathematical proposition. In Korea, there is little research that investigated high school students' views about the need for proof in mathematics and their understanding of the limitation of an empirical argument as proof for a mathematical generalization. Sixty-two 11^th graders were invited to participate in an online survey and the responses were recorded in writing and on either a four- or five-point Likert scale. The students were asked to express their agreement with the need of proof in school mathematics and to evaluate a set of mathematical arguments as to whether the given arguments were proofs. Results indicate that a slight majority of students were able to identify a proof amongst the given arguments with the vast majority of students acknowledging the need for proof in mathematics.

• Journal of the Korean Home Economics Association
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• v.40 no.10
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• pp.217-230
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• 2002

This article explored the perceptions of ‘family’and the factors related to respondents' definitions of a family. The data were collected from two types of people: one was 472 university students and high school students' parents who were asked whether or not each of 22 scenarios represented a‘family’, and the other was 40 young and middle-aged adults who were asked,“what is a family member?”. Results showed that (1) the overwhelming majority of respondents considered a married couple without a child(scenario #5) as a family and the least respondents agreed a divorced couple(scenario #18) as a family, (2) the majority perceived consanguinity, co-residence, parental status, and marital status to be important in the definition of a family, (3) middle-aged adults were more likely than young generation to agree that consanguinity and paternal relations were important in determining what a family member is.

• Korean journal of food and cookery science
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• v.24 no.2
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• pp.164-173
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• 2008

The objectives of this study were to determine the preferences and consideration factors for selecting processed foods, in middle school students as well as their perceptions on food and nutrition labeling student. Middle school students in the Seoul area were surveyed from October to November, 2006. The results are summarized as follows: the preferred processed foods included 'drinks' (3.85), 'noodles' (3.81), 'biscuits and bread' (3.80), 'milk and dairy products' (3.71), and 'meat and meat products' (3.60). The most important consideration factors in selecting processed foods were 'expiration date' (4.45), 'taste' (4.34), and 'price' (4.08). The two main reasons for eating processed foods were 'delicious' (43.1%) and 'convenient' (33.9%). Food labels were identified 'sometimes' (34.5%), 'rarely' (31.2%), and 'almost never' (18.6%). The primary reason for examining a food label was 'to confirm the expiration date' (52.6%). The main reason for not reviewing a food's label was 'habitual purchase' (57.8%). Nutrition labels were identified 'rarely' (33.4%), 'almost never' (24.7%), and 'sometimes' (23.5%). The reasons for examining nutrition labels included 'to confirm a high proportion of nutritive substances' (26.5%), 'boredom' (24.2%), 'for weight control' (23.5%), and 'to improve health' (18.1%). The main reason for not examining a food's nutrition label was 'not interested' (56.5%).

• Korean journal of food and cookery science
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• v.28 no.2
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• pp.149-158
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• 2012

The purpose of this study was to investigate differences in the perception and attitudes of middle school students toward food safety between those who possess high behavioral intentions to prevent contracting a foodborne illness and those who do not. The survey collected 871 usable data from several middle schools in Seoul, Korea in July 2007. Using six behavioral intention measurement items, a two-step cluster analysis approach was conducted resulting in a strong intention group and a weak intention group. Perception and attitudes toward foods safety were different between the two groups. Students with strong behavioral intentions to prevent foodborne illness tended to possess a stronger perception and attitude toward various food safety issues. Students with strong intentions were more certain of consumer's right to purchase safe foods, more concerned about foodborne illness and food safety, believed that the government should put more efforts toward establishing a safe food chain, possess more distrust for food suppliers, were more aware of specific foodborne illness pathogens, had more food safety education/training, and washed their hands more frequently than those with less strong intentions. No significant differences were found between the groups but,overall, chemical residues and food additives were perceived as more harmful and more serious food safety issues than those of foodborne illness pathogens despite that microorganisms are the main cause of foodborne illness outbreaks in schools. Participants seemed to underestimate the importance of temperature control for preventing foodborne outbreaks. Several implications and suggestions on how to improve the behavioral intentions of middle school students to prevent possible foodborne illness were provided.

• Journal of The Korean Association For Science Education
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• v.24 no.3
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• pp.659-667
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• 2004

The purposes of this study were to examine the middle school science textbooks published according to the 7th curriculum by analyzing overall structure of the books and STS contents, and to diagnose the current status of STS education in science classroom through interviews with teachers and students of the middle schools. It was found that STS approaches were of increasing importance in the science textbooks, however, they were not popular in the science classes. STS topics in the middle school textbooks were related mostly to 'applications of science' and 'social problems and issues', and few of the topics were related to 'cooperative work on real problems', 'multiple dimensions of science' and 'practice with decision making strategies'. Major barriers of STS education implementation in middle school science classroom were identified as follows; difficulties of assessment, teachers' insufficient cognitions and experiences regarding STS education, perceptions of students and parents that prefer didactic lecture methods and working on exercises. Desirable directions for the improvement of present status of STS education in middle school science classes were proposed.

• The Mathematical Education
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• v.58 no.3
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• pp.423-442
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• 2019

Stepping into the beginning of the fourth industrial revolution, we need new mathematics education plans and policies to foster talent in people for future. Investigating the present condition and teachers' perceptions of mathematics education in schools is an essential process in making mathematics education plans and policies that reflect the periodical changes and social needs. Thus, we developed a survey to investigate teachers' perceptions and present condition of mathematics education, conducted the survey for teachers in elementary, middle, and high schools, and analyzed the results of the survey. In this study, focusing on the results of the survey, we interpreted the results and provided implications for mathematics educational policies. Through frequency analysis of individual questionnaires and crosstabulation analysis between questionnaires, we could provide mathematics teachers' overall perceptions of mathematics education and basic information on the conditions of mathematics education in the schools. In addition, the findings of this study suggest that policymakers should consider the followings when developing new mathematics education plans and policies: having the proper number of students per class, reducing non-teaching work, supporting teachers' expertise in evaluation, improving Internet access and technology equipment, supporting the school administrators' change of perceptions of mathematics education, retraining teachers in the active use of ICT or technological tools, and supporting students having difficulty learning mathematics.

• The Korean Journal of Food And Nutrition
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• v.30 no.3
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• pp.427-432
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• 2017

The objective of this study to investigate the satisfaction of elementary and middle school students in Chungnam province. We surveyed related to school food service, concerns about food ingredients and dietary life, perceptions of free school food service and satisfaction the quality and management of the school food service. Furthermore, this survey with the previous. Compared to year, frequency of education related to school food service and concerns about food ingredients and dietary life. Perception on free school food service increased 1.2%, not statistically significant. Satisfaction for the quality of the school food service statistically significant increase compared to 2015. ore individuals educated the foods' county-of-origin and a higher concern the food materials and dietary life, subsequently higher satisfaction for the quality and management of school food service. The results of this study suggest that concern and concentration on software of school food service such as education and guide are important.

• The Korean Journal of Food And Nutrition
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• v.29 no.3
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• pp.357-362
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• 2016

The objective of this study is to investigate the perception and satisfaction of elementary and middle school students on free school food service. We surveyed education related to school food service, concerns about food ingredients, perceptions of free school food service and satisfaction for the quality of the school food service. The investigation is classified into two groups, schools that operate as a food service center or those that do not. Those who are provided food ingredients by school food service centers are educated about the agricultural products' country-of-origin and their environment-friendly food service. The more individuals are educated of the foods' county-of-origin and environment-friendly food service the more they will have a higher concern of the food materials and subsequently a higher satisfaction for the quality of school food service. School food service centers managed directly by the local government would probably receive higher satisfaction than those consigned to a private sector. The results of this study will be meaningful to establish policies on school food service and school food service centers.

• Journal of Korean Home Economics Education Association
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• v.23 no.2
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• pp.161-174
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• 2011

The aim of this study was to investigate middle school students' perceptions of dietary education in Technology-Home Economics classes. Out of the 444 survey respondents of 3rd grade middle school students in Gyeonggi area, 78.1% of them appeared to have obtained knowledge and information on diet and nutrition primarily from the dietary education delivered in Technology-Home Economics classes. Specifically, 62.6% stated "The current dietary education was useful." and 67.3% said "School dietary education was necessary." However, 88.7% was not even aware of the current Dietary Education Support Act, which was enacted in 2009. On the basis of the 28 subject categories in dietary education, in general, the more interested students were in a specific subject, the more actively they applied their knowledge of that subjects in real situations. In all categories, female students had a greater degree of interest and were more likely to apply that know lodge than male students. Among the 28 subjects, they had greatest interest in 'Dining Manners and Etiquette' and 'Nutrition and Meals for Adolescents' while they expressed relatively little interest in the subject of 'Cooking and Culinary Education'. Their perception of the necessity of dietary education was most highly influenced by their interest in the subject 'Nutrition and Meals for Adolescents', which was followed by gender difference and 'Dining Manners and Etiquette' as the most influential subjects.

• Journal of The Korean Association For Science Education
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• v.24 no.6
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• pp.1206-1215
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• 2004

In this study, we explored the students' perceptions on the online discussion system for physics investigation as the physics education program. With these, we explored the characteristics of online discussion system. For these, the questions and interviews were executed in order to get informations about user-friendly characteristics of on-line discussion learning system of physics investigation, asynchronicity of on-line investigation discussion, on-line investigation discussion related to writing, visual cues and physical presence of on-line investigation discussion and preference of on-line investigation discussion. The students represented that there were two advantages in the online investigation discussion. One is that they could participate in the on-line investigation discussion without the restriction of time and space, and the other is that they could enter into a dispute with sufficient consideration because of the asynchronicity characteristic of online investigation discussion. Although the online educational activity is mainly achieved by independent work on the part of students, the role of teacher and parents is more important than the technical part of online educational system for the active participation.