• Title/Summary/Keyword: views on science

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The Pre-service Teacher's Conceptions of 'the Color of Gases': Focusing on the Survey from Freshmen at a National University of Education ('기체의 색깔'에 대한 초등 예비교사들의 인식 조사: 교육대학교 1학년 학생들을 대상으로)

  • Kim, Han-Je;Jang, Myoung-Duk;Joung, Yong Jae
    • Journal of Korean Elementary Science Education
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    • v.31 no.2
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    • pp.253-268
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    • 2012
  • The purpose of this study is to investigate the elementary pre-service teachers' conceptions of 'color of gases' focusing on the survey from freshmen at a National University of Education. For the study, the views about 'color of gases' were surveyed from the pre-service teachers. And the responses were analyzed based on the patterns. The results from the study are as follows: First, the conceptions about 'color of gases' were divided into 2 top-level, 5 mid-level and 7 sub-level categories. Second, the number of students who answered 'certain gas has color' was significantly greater than those who answered 'every gas has no color'. However, only a small number of students who answered former understand the scientific meaning of color and the color of gases correctly. Third, out of 5 misconception categories, greater number of students answered with 'inaccurate scientific knowledge (Ma1)', so the category was classified again into five detailed sub-categories. Fourth, most of the students, who answered 'every gas has no color', stated "they have not seen any color gases through their lives" based on their own experience. Fifth, the distribution percentage for scientific conceptions vs misconceptions was not related with the students' gender but highly related with students' academic area and their science courses taken at high school. Sixth, the pre-service teachers have various types of misconceptions regarding the 'color of gases' and when they have to explain visibility of gases to other people they tend to pass on their misconceptions. Based on the results from the study, some educational guidelines were suggested.

Decision Making Experience on Breast Reconstruction for Women with Breast Cancer (한국 유방암 여성들의 유방재건술에 관한 의사결정 경험)

  • Yi, Myungsun;Joung, Woo Joung;Park, Eun Young;Kwon, Eun Jin;Kim, Haejin;Seo, Ji Young
    • Journal of Korean Academy of Nursing
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    • v.46 no.6
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    • pp.894-904
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    • 2016
  • Purpose: The purpose of this study was to explore decision making experiences of Korean women with breast cancer who underwent breast reconstruction with/after a mastectomy. Methods: Data were collected during 2015-2016 through individual in-depth interviews with 10 women who had both mastectomy and breast reconstruction, and analyzed using phenomenological method to identify essential themes on experiences of making a decision to have breast reconstruction. Results: Five theme clusters emerged. First, "expected loss of sexuality and discovery of autonomy" illustrates various aims of breast reconstruction. Second, "holding tight to the reputation of doctors amid uncertainty" specifies the importance of a trust relationship with their physician despite a lack of information. Third, "family members to step back in position" describes support or opposition from family members in the decision making process. Fourth, "bewilderment due to the paradox of appearance-oriented views" illustrates paradoxical environment, resulting in confusion and anger. Lastly, "decision to be made quickly with limited time to oneself" describes the crazy whirling process of decision making. Conclusion: Findings highlight aims, worries, barriers, and facilitators that women with breast cancer experience when making a decision about breast reconstruction. Deciding on breast reconstruction was not only a burden for women in a state of shock with a diagnosis of breast cancer, but also an opportunity to decide to integrate their body, femininity, and self which might be wounded from a mastectomy. These findings will help oncology professionals provide effective educational counselling before the operation to promote higher satisfaction after the operation.

A Study on the Relationship of Interaction Design - With Emphasis on the Research of Various Knowledge System about the Relationship - (인터랙션 디자인에서의 '관계'에 대한 연구 - 관계에 대한 다 학제적 관점의 고찰을 중심으로 -)

  • 천가원;박영목
    • Archives of design research
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    • v.15 no.3
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    • pp.53-62
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    • 2002
  • If the stage of establishing concept in interaction design approaches only analytic and numeral & quantitative aspects, it would be lack of new and creative ideas of concept for the suitable and proper relationship among the human and tools or machinery which is required in interaction design. This study has explored the possibility of access through the research of diverse point of views in the various knowledge systems about the relationship. That is this study has expanded from improvement-intended approach as analyzing human and tools and solving problems with analytic and engineering aspect to value-intended approach as pursuing new ideas though various points of relationship. Or so, to examine 'Relationship' in other knowledge systems, it could be the basic research for more deepening and specific study in interaction design. To integrate this study, at first, it deals with interaction design and process. Through the specific method, it has investigated the current interaction design and related studies. In the next, it has researched the study of relationship in oriental and western philosophy, cultural science, social science, natural science and engineering so it has examined the relationship in the various points of knowledge systems. Based on the contents, it has considered the possibility of access in interaction design to explain the relationship in the various points of knowledge systems.

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Patterns of Health Foods Usage by Food Lifestyles of the Adults in Seoul (서울 지역 성인들의 식생활 양식유형에 따른 건강식품사용현황)

  • Cho, Mi-Sook;Kang, Nam-E;Yang, Eun-Ju;Kang, Myung-Hwa;Chung, Hae-Kyung
    • Journal of the Korean Society of Food Culture
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    • v.16 no.3
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    • pp.195-202
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    • 2001
  • This study was performed to investigate the pattern of health food usage of the adults by food lifestyles pattern in contemporary Seoul. This study views health food consumption as a cultural practice in which people produce (and reproduce) diverse social relationships and cultural meanings. It also identifies food lifestyles and health food usage pattern of Korean adult in Seoul. This topics were discussed based on field research data collected by nutritional survey with questionnaire. To identify the relationships between pattern of health food and food lifestyles, 503 men and 437 women aged 18 to 65 years were divided into 5 groups of food lifestyles : Health Eaters, In-a-Dither, Traditional Eaters, Conscientious and People on the Go. As a substantial percentage of the subjects were used some kinds of nutrients supplement. The higher the age and family income were, the higher the percentage of health food usage was. There was the significant difference between sexes in usuage of health food. Health food usage was higher in the food lifestyle pattern of Health Eater than other food lifestyles.

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A Study on Kochujang(Fermented Red Pepper-Soy Paste) Consumption and Preference of Housewives in Inchon (인천 지역 주부들의 고추장 사용실태 및 기호성에 관한 연구)

  • Kim, Byung-Young;Yoon, Sook-Hyun;Choi, Jung-Wha;Huh, Yoon-Jung;Choe, Eun-Ok
    • Journal of the Korean Society of Food Culture
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    • v.13 no.3
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    • pp.183-189
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    • 1998
  • Consumption and general views of housewives in Inchon on commercial kochujang(fermented red pepper-soy paste) were surveyed by questionnaires in June through August, 1997. Respondents considered the taste (88.1%) as the most important factors to determine the quality of kochujang and preferred hot(621%) and bright red colored kochujang(70.6%) with fine red pepper powder Eighty seven percent of respondents preferred the traditional kochujang to the commercial one mainly due to the taste and the reliability to the materials kochujang. Especially all housewives at the age of sixty and over preferred traditional kochujang and those at twenties had a higher preferrence for the commercial one compared to other age groups. While 51.4% of the respondents consumed both e traditional and commercial kochujang, 16.2% and 32.5% did only commercial and traditional kochujang, respectively. Consumption of commercial kochujang decreased with age and main food with it was pan fried dishes(33.7%). Convenience(76.6%) was the major reason for purchasing commercial fried and most respondents(44.1%) selected the special brand from the previous experience of their own. Problems to be improved in commercial kochujang were better taste(31.3%) and development of diverse usage(62.4%).

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Research on the Current Science Teaching Evaluation System and Directions for Improving Teaching Evaluation (과학과 수업평가 실태 및 개선 방안 연구)

  • Kwak, Young-Sun
    • Journal of The Korean Association For Science Education
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    • v.25 no.4
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    • pp.494-502
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    • 2005
  • This study investigated the current science teaching evaluation system implemented in schools and directions for improving teaching evaluation using literature review, survey, and teacher interview. The first part of this paper analyzed the types, roles, and major issues of the current science teaching evaluation. In-service teachers argued that the current teaching evaluation system was discredited because of the bureaucratic procedures of teacher performance review, showcase classrooms, teachers' views on classroom as their own personal space, low ratio of teaching component in the current teacher evaluation, untrained evaluators, and the absence of professional teaching standards. The second part of the paper investigated the need for a formative teaching assessment, an ideal type of teaching assessment, and the role of participants in the teaching evaluation processes. The way forward, therefore, is to start not at the level of the administrative superstructure but at the level of teachers who will assume responsibility for developing standards of practice as the basis for evaluating their own work and improving their own professional learning to provide quality assurance.

An Ethnographic Study on Eating Styles of Adult Diabetics in Korea (한국 성인당뇨병 환자의 식생활에 관한 문화기술적 연구)

  • Hong Yong-Hae;Cho Myung-Ok;Tae Young-Sook
    • Journal of Korean Academy of Nursing
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    • v.35 no.2
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    • pp.313-322
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    • 2005
  • Purpose: The purpose of this study was to explore adult diabetics' eating styles and factors which influence them. Method: The study adopted an ethnographic method based on a perspective which views the eating style as a cultural phenomenon. Data was collected through a personal interview, participant observation, and documented materials from Oct.2001 to Sept. 2002. In this study, fifteen adult diabetics, with an average age of 57, participated. Data analysis was done by the Spradley's taxonomic analysis technique. Result: The patients' eating styles were rooted in their viewpoint on illness as well as the meaning of food. Eating styles were classified into 4 types: Pathology-centered, symptom-centered, need-centered, and role-centered. Conclusion: A conventional approach to the treatment and management of diabetes did not consider the patient's inner world which may play an important role in the successful management of the disease. We found that it was critical for health care personnel to understand patients' values, beliefs and their way of life in order to facilitate the most successful self-care diet.

Effects of Depth Map Quantization for Computer-Generated Multiview Images using Depth Image-Based Rendering

  • Kim, Min-Young;Cho, Yong-Joo;Choo, Hyon-Gon;Kim, Jin-Woong;Park, Kyoung-Shin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.5 no.11
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    • pp.2175-2190
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    • 2011
  • This paper presents the effects of depth map quantization for multiview intermediate image generation using depth image-based rendering (DIBR). DIBR synthesizes multiple virtual views of a 3D scene from a 2D image and its associated depth map. However, it needs precise depth information in order to generate reliable and accurate intermediate view images for use in multiview 3D display systems. Previous work has extensively studied the pre-processing of the depth map, but little is known about depth map quantization. In this paper, we conduct an experiment to estimate the depth map quantization that affords acceptable image quality to generate DIBR-based multiview intermediate images. The experiment uses computer-generated 3D scenes, in which the multiview images captured directly from the scene are compared to the multiview intermediate images constructed by DIBR with a number of quantized depth maps. The results showed that there was no significant effect on depth map quantization from 16-bit to 7-bit (and more specifically 96-scale) on DIBR. Hence, a depth map above 7-bit is needed to maintain sufficient image quality for a DIBR-based multiview 3D system.

On the Fantastic Aspect in Electronic Media Art : A Preliminary Approach by Way of Barthes, Freud and Lyotard (전자매체예술에서의 '환상적' 측면에 대하여: 바르트, 프로이트, 리오타르를 경유한 접근)

  • Kim Won-Bang
    • Journal of Science of Art and Design
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    • v.5
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    • pp.159-174
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    • 2003
  • 'Fantasy', the central notion of this essay, is discussed here more as a new paradigm in order to describe the structure of a work of art than as a stylistic characteristic proper to a specific genre of art. It means the whole situation and experience produced by two connected terms 'corporeal subject - screen'. Roland Barthes explained the 'semiographic painting' by Andre Masson as a field in which happens a certain connexion between the impulse of subject and the image, which views the painting not as a physical object but as a 'cinematic screen' ; painting may be redefined as a dream or a fantasy of the corporeal subject. And such an idea of 'art as fantasy' is closely related to the recent theoretical attempts consisting in abolishing the vision-centered conception of art since Renaissance. In this essay, the notion of fantasy as an aesthetic model is sketched by means of the Freud's notes on the fantasy 'A child is being beaten' and Lyotard's more advanced analyse on its attributes and operations. In Lyotard's analysis, fantasy is defined as a 'bloc' or a 'matrix-figure' featuring simultaneous conversion between the active and the passive, sadism and masochism, and coexistence of imcompossible meanings. In this sense, fantasy may be given to us as an analogical model from which we can outline the aesthetic characteristics of electronic media art involving virtual reality and interactivity.

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Chief Factors in the Quality of Western Food (서양요리 품질의 결정요인에 관한 연구)

  • 정진우
    • Culinary science and hospitality research
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    • v.7 no.3
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    • pp.275-294
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    • 2001
  • There have been many discussions on the importance and part of quality in the marketing field. It also has been an effort in the cooking field to understand how the quality, recognized by customers, influences customer satisfaction in the process of serving western food. This study is a theory about evaluation methods of western food. It can be summarized in three views as below especially with sensuous evaluation methods. First, it is decoration. Visual factors, such as a receptacle and the amount of food in it, the arrangement of food colors, gloss of food, steam arising of from food, additional garnishes on food should be harmonious. Second, it is a flavor. The factors like the taste and smell of food, and feeling of food in the mouth can be evaluated with the taste and the smell. Third, it is texture. It is considered with the sense of touch, the motor sensation in the mouth and the hearing sense. Especially the sense of touch involves feel of receptacle when it is hot or cold as well as feel of food. This study has been conducted for providing customers with higher-quality western food, which is based on a theoretical study about evaluation methods. During the study, the limit was found that there is no measuring instrument, since the study was restricted in a theoretical work. For more accurate research, the measuring instrument should be developed through the positive research.

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