• Title/Summary/Keyword: science domains

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A Analysis on Consistency of Learning Objectives of Units and Instructional Units in Elementary School Biology Teaching Guide-Books (초등 과학교과 교사용 지도서 생명 영역 단원 및 차시 목표의 일관성 분석)

  • Kim, Jung-Min
    • Journal of Korean Elementary Science Education
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    • v.27 no.1
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    • pp.75-82
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    • 2008
  • The purpose of this study was to examine the consistency and balance of learning objectives of units and instructional units according to grades and educational domains. Educational domains were cognitive(scientific knowledge), scientific inquiry(inquiry process skills), affective(scientific attitude), and science-technology-society(STS). Learning objectives of life field of the 7th elementary science curricular teaching guidebooks were analysed. Scientific inquiry process skill objectives(43.5%) were most dominant in units, but cognitive objectives(53.9%) were most dominant in instructional units. STS objectives were most recessive in both units and instructional units. Especially, objectives of units and instructional units were shown no consistency by grade. The results of this study suggested that the textbooks and teaching guidebooks should be developed consistently by considering learning activities and contents on the basis of background and properties of science curriculum.

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SUPPRESSION OF THE TETRAGONAL DISTORTION IN THIN Pb(Zr, Ti)$O_3$/MgO(100)

  • Kang, H.C.;Noh, D.Y.;Je, J.H.
    • Journal of the Korean Vacuum Society
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    • v.6 no.S1
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    • pp.141-153
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    • 1997
  • The paraelectric cubic-to-ferroelectric tetragonal phase transition of the thin Pb(Zr, Ti)$O_3$ (PZT) films grown on MgO(001) substrate was investigated in a series of synchrotron x-ray scattering experiments. As the thickness of the film decreases the transition temperature and the amount of the tetragonal distortion were decreased continuously Different from only the c-domains were existent in the thinnest 25nm thick film. Based on this we propose a model for the domain structure of the tetragonal PZT/MgO(100) film that is very different from the ones suggested in literature. We attribute the suppression of the transition to the substrate field that prefers the c-type domains near the interface and suppresses the tetragonal distortion to minimize the film-substrate lattice mismatch.

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Effects of Critical Thinking Disposition and Empathy on Cultural Competency in Dental Hygiene Students

  • Hwang, Ji-Min;Han, Ji-Hyoung
    • Journal of dental hygiene science
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    • v.18 no.1
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    • pp.24-31
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    • 2018
  • This study investigated the effects of critical thinking and empathy on the cultural competence of dental hygienists and students. A total of 529 dental hygiene students were randomly sampled and included as subjects. PASW Statistics for Windows ver. 18.0 was used to obtain the following results. Among the critical thinking sub-domains, cognitive integration was the highest and the lowest. Empathic ability had the highest acceptance factor among the sub-domains. Cultural competence was the highest among the sub-domains, while cultural knowledge was the lowest. According to their general characteristics, subject age, grade, religion, and economic level influenced the cultural capacity. Cultural awareness and sensitivity were high when there were foreign visiting experiences. Cultural awareness, sensitivity, skills, and knowledge were high when subjects had experienced multicultural education (p<0.05). Cultural awareness, sensitivity, skill, experience, and knowledge were correlated with critical thinking and cultural competence, among which cultural sensitivity showed the highest correlation (p<0.001). There was a correlation between cultural awareness and sensitivity, skill, and experience among the empathy and cultural competency sub-domains (p<0.001). The factors influencing cultural awareness included intellectual integration, openness, prudence, and perspective-taking (p<0.001). The factors influencing cultural sensitivity included intellectual integration, openness, and empathic concern (p<0.001). The factors influencing cultural skill included intellectual integration, creativity, and conductivity (p<0.001). The factors influencing cultural experience included prudence, objectivity, perspective-taking, and personal distress (p<0.001). Finally, the factors influencing cultural knowledge included creativity and conductivity (p<0.001). The results indicate that dental hygiene students should be equipped with cultural competence to enhance critical thinking and empathy required by the modern society and optimized dental hygiene courses should be provided for multicultural subjects.

Emotional Intelligence, Academic Motivation, and Achievement among Health Science Students in Saudi Arabia: A Self-Deterministic Approach

  • Mahrous, Rasha Mohammed;Bugis, Bussma Ahmed;Sayed, Samiha Hamdi
    • Journal of Korean Academy of Nursing
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    • v.53 no.6
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    • pp.571-583
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    • 2023
  • Purpose: This study used a self-deterministic approach to explore the relationship between emotional intelligence (EI), academic motivation (AM), and achievement among health science students. Methods: A descriptive cross-sectional study was conducted in three cities of Saudi Arabia (Dammam, Riyadh, and Jeddah). A convenience sample of 450 students was incorporated using the multistage cluster sampling technique. The online survey contained three sections: students' basic data and academic achievement level, the modified Schutte self-report inventory, and the Academic Motivation Scale lowercase. Results: This study revealed moderate overall scores for EI (57.1%), AM (55.6%), and grade point average (GPA) (57.6%). The overall EI score, its domains, and GPA had significant positive correlations with overall AM and intrinsic and extrinsic motivation (p < .01). Amotivation had an insignificant correlation with GPA (p < .05), but it was negatively correlated with EI and its domains (p < .01). Multiple regression analysis proved that EI domains predicted 5.0% of GPA variance; emotions appraisal and expression (β = .02, p = .024), regulation (β = .11, p = .032), and utilization (β = .24, p < .01). EI domains also predicted 26.0% of AM variance; emotions appraisal and expression (β = .11, p = .04), regulation (β = .33, p < .01), and utilization (β = .23, p < .01). Moreover, AM predicted 4.0% of the variance in GPA; intrinsic (β = .25, p = .004) and extrinsic (β = .11, p = .022) motivation. AM also predicted 25.0% of the variance in EI: intrinsic (β = .34, p < .01) and extrinsic motivation (β = .26, p = .026). Conclusion: EI and AM have a bidirectional influence on each other, significantly shaping the GPA of health sciences students in Saudi Arabia, where intrinsic motivation has a predominant role. Thus, promoting students' AM and EI is recommended to foster their academic achievement.

Analyses of Exhibitions and Programs of Daegu National Science Museum by levels of science communication and domains of scientific literacy (과학 커뮤니케이션 차원과 과학적 소양 영역에 의한 국립대구과학관 전시물과 프로그램 분석)

  • Park, Jooeun;Yun, Eunjeong;Park, Yunebae
    • Journal of Science Education
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    • v.39 no.2
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    • pp.290-305
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    • 2015
  • In this study, we analyzed exhibitions and programs of Daegu National Science Museum in terms of levels of science communication and domains of scientific literacy. Also, we surveyed visitors' perceptions on the exhibitions. As results of analysis on science communication level, 48.3% of exhibitions and programs corresponded to the 1st generation level, 49.0% corresponded to the 2nd generation level, and 2.7% corresponded to the 3rd generation level. In terms of domains of scientific literacy, the contents on 'design world' and 'the nature of technology' got a majority. Also, the results of visitors' perceptions on the exhibitions showed they preferred active exhibitions, that is the 2nd generation. It is recommended to develop more 3rd generation exhibitions and programs based on the paradigm shift about the role of science museums. And it is also recommended to carry out the task to raise consciousness of citizens about scientific literacy and science communication.

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Analysis of Features of Korean Fourth Grade Students' TIMSS Science Achievement in Content Domains with Curriculum Change (교육과정 변화에 따른 우리나라 초등학교 4학년 학생들의 TIMSS 과학 내용영역별 성취 특성 분석)

  • Kwak, Youngsun
    • Journal of The Korean Association For Science Education
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    • v.37 no.4
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    • pp.599-609
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    • 2017
  • The goal of this research is to analyze the trend of Korean fourth grade students' achievement in TIMSS 2011 and TIMSS 2015 science content domains and to suggest implications for science curriculum and teaching & learning improvement. With four elementary science teachers and three science educators, we analyzed Korean fourth grade students' percentage of correct responses in TIMSS 2015 science content and cognitive domains, and conducted item-curriculum matching analysis for test items. According to the results, Korean students performed relatively better in test topics covered in the science curriculum for 3-4 grades regardless of the science content domain (i.e., Life science, Physical science, or Earth science). Korean students showed low percentage of correct answers for items related to such topics as heat conduction, the action of electricity, the motion of the earth and the moon, etc., which were covered in the 5th-6th grades in the 2009 revised curriculum. For science cognitive domains, Korean students' achievement dropped significantly in reasoning between TIMSS 2011 and TIMSS 2015. Discussed in the conclusion are implications to reconstruct elementary school science curriculum, and ways to improve science teaching and learning.

The Effect of Elementary School Distance Science Classes on Science Academic Achievement and Creative Personality (초등학교 원격 과학수업이 과학 학업성취도 및 창의적 인성에 미치는 효과)

  • Lee, Yong-Seob;Kim, Yoon-Kyung
    • Journal of the Korean Society of Earth Science Education
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    • v.15 no.2
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    • pp.132-141
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    • 2022
  • The purpose of this study is to investigate the effect of science classes using elementary school distance science classes on science academic achievement and creative personality. The research group and non-research group were selected for 6th grade elementary school students. After 10 weeks of experimental treatment, science classes were conducted with the contents of the elementary school science section, 'Changes of the seasons'. In the three domains of 'knowledge', 'inquiry', and 'attitude', which are sub-domains of science academic achievement, as a result of the pre-post test, there was a positive effect in 'inquiry' and 'attitude', which are sub-domains of science academic achievement. However, it was found that there was no positive effect in 'knowledge', a sub-domain of academic achievement. However, it was found that there was a positive effect in the overall test result of academic achievement. Therefore, it is interpreted that science classes using elementary school distance science classes had an effect on academic achievement. There was a significant effect in the sub-domains of the creative personality test, 'persistence/obsession', 'self-confidence', 'humor', 'imagination', 'openness', 'adventure', and 'independence'. However, it was found that there was no effect in the sub-domain 'curiosity'. The overall test results of the creative personality test showed a significant effect. Therefore, it is interpreted that science classes using elementary school distance science classes are effective in cultivating creative personality. Students' perceptions of science classes using elementary school distance science classes also showed positive responses.

Outline of Domain Theory As a New Approach to Software Reuse (S/W 재사용을 위한 새로운 접근법으로서의 Domain Theory의 개요)

  • Ham, Dong-Han;Kim, Jin-Sam;Ha, Su-Jung;Cho, Jin-Hee
    • 한국IT서비스학회:학술대회논문집
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    • 2002.11a
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    • pp.425-430
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    • 2002
  • Over the years, several different approaches have been proposed to enhance the practice of software reuse. These approaches vary in reuse abstraction levels or application domains they focus on. However, it seems that they do not adequately meet the needs of software designers in planning and managing reuse. One reason may be the lack of conceptually well-established framework supporting work domain analysis and modeling. As a new viable solution to this problem, Sutcliffe and his colleagues developed Domain Theory , which is introduced in this paper. Utilizing multidisciplinary perspective, such as cognitive psychology, management science, human-computer interaction, and software engineering. it provides a schematic framework that defines a comprehensive library of generic and reusable models of domain knowledge in terms of generic tasks and meta-domains. It also provides useful methods and guidelines for software reuse, emphasizing the concept of abstraction process in a designer s mind. This paper firstly gives a brief overview of fundamentals of software reuse. Next, it explains the foundation of domain theory and discusses its applicability to software reuse. In particular, the taxonomy of meta-domains and the types of generic tasks are described in more detail. Finally, the future research framework, which primarily addresses the problem of how to apply the domain theory to various work domains, is proposed.

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Development and Application of Service Quality Indicators in Nursing Homes: Structure-Process Evaluation (노인요양시설의 서비스 질 평가 지표 개발 및 적용: 구조-과정 측면의 질 평가)

  • Kim, Moon-Sil;Lee, Seung-Hee
    • Journal of Korean Academy of Nursing Administration
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    • v.14 no.2
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    • pp.131-143
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    • 2008
  • Purpose: The aim of this study was to develop service quality indicators to evaluate structure and process of the nursing home service. Method: On the basis of literature review and analysis of existing quality indicators, the researcher made a preliminary service quality indicators and verified content validity twice. The final service quality indicators were applied in 30 nursing homes. Results: Preliminarily, 3 domains, 24 sub-domains, and 156 indicators were generated. Through two content validity testings, the indicators scoring over .80 CVI for each testing were adopted and modified by discussion with a panel of experts. The final indicators consisted of 3 domains, 15 sub-domains, and 128 indicators. These indicators were applied in 30 nursing homes. The result showed that they were easily applicable and suitable for a evaluation of service quality in nursing home. Conclusion: This 'service quality indicators in nursing home' was verified by the content validity. This tool will be able to be used for evaluation and improvement of nursing home service quality. However, repeated researches are needed for further validity and reliability.

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Comparative analysis of AGPase proteins and conserved domains in sweetpotato (Ipomoea batatas (L.) Lam.) and its two wild relatives

  • Nie, Hualin;Kim, Sujung;Kim, Jongbo;Kwon, Suk-Yoon;Kim, Sun-Hyung
    • Journal of Plant Biotechnology
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    • v.49 no.1
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    • pp.39-45
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    • 2022
  • Conserved domains are defined as recurring units in molecular evolution and are commonly used to interpret the molecular function and biochemical structure of proteins. Herein, the ADP-glucose pyrophosphorylase (AGPase) amino acid sequences of three species of the Ipomoea genus [Ipomoea trifida, I. triloba, and I. batatas (L.) Lam. (sweetpotato)] were identified to investigate their physicochemical and biochemical characteristics. The molecular weight, isoelectric point, instability index, and grand average of hyropathy markedly differed among the three species. The aliphatic index values of sweetpotato AGPase proteins were higher in the small subunit than in the large subunit. The AGPase proteins from sweetpotato were found to contain an LbH_G1P_AT_C domain in the C-terminal region and various domains (NTP_transferase, ADP_Glucose_PP, or Glyco_tranf_GTA) in the N-terminal region. Conversely, most of its two relatives (I. trifida and I. triloba) were found to only contain the NTP_transferase domain in the N-terminal region. These findings suggested that these conserved domains were species-specific and related to the subunit types of AGPase proteins. The study may enable research on the AGPase-related specific characteristics of sweetpotatoes that do not exist in the other two species, such as starch metabolism and tuberization mechanism.