• Title/Summary/Keyword: concept of science

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The Effects of Concept Mapping with Explanation Feedback in the Undergraduate General Chemistry Course (일반 화학 수업에서 설명적 피드백을 이용한 개념도 학습의 효과)

  • Koh, Han-Joong;Kim, Kyung-Soo;Kang, Suk-Jin
    • Journal of Korean Elementary Science Education
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    • v.29 no.3
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    • pp.341-349
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    • 2010
  • In this study, the effects of concept mapping with feedbacks providing explanatory comments on students' achievement, science learning anxiety, and science learning motivation were investigated in the undergraduate general chemistry course. The aptitude-treatment interactions between students' level of mastery goal orientation and the concept mapping with explanation feedback treatment were also examined. Sixty-seven freshmen from an university of education were assigned to a control group and a treatment group. The tests of mastery goal orientation, science anxiety, and science learning motivation were administered as pretests. For the treatment group, feedback providing students with explanatory comments through whole class discussion was presented after each concept mapping. Whereas the control group students were presented with opportunities solving excercise problems followed by explanation feedback. The intervention was lasted for 10 weeks (30 class periods). After the instructions, a researcher-made achievement test, the science learning anxiety test, and the science learning motivation test were administered. The results indicated that no statistically significant difference was found in students' achievement. In the science learning anxiety, however, the scores of the treatment group was significantly lower than those of the control group. The scores of the treatment group also tended to be higher, though not significant, than those of the control group in the science learning motivation. However, no significant aptitude-treatment interactions were found in all dependent variables.

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Concept Analysis of Nurses' Emotional Labor (간호사의 감정노동 개념분석)

  • Ahn, EunKyong
    • Journal of Korean Academy of Rural Health Nursing
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    • v.10 no.1
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    • pp.5-15
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    • 2015
  • Purpose: This study was conducted to analyze the concept of nurses' emotional labor. Method: Rodgers's evolutionary concept analysis was used. Result: Nurses' emotional labor can be defined by two attributes: emotional distortion and self-regulation process. Antecedents of nurses' emotional labor include interactional, organizational and personal factors. The consequences of nurses' emotional labor are emotional dissonance and internalization of organizational display rules. Conclusion: Appropriate instrument to operationalize the concept need to be developed.

Concept Analysis of Organizational Socialization (조직사회화에 대한 개념분석)

  • Kim, Moon-Shil;Choi, Soon-Ook
    • Journal of Korean Academy of Nursing Administration
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    • v.9 no.1
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    • pp.19-30
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    • 2003
  • Purpose : The concept of organizational socialization has been regarded as an abstract concept of organizational learning process and it has been used as strategy for the organizational goal attainment. New graduated nurses' organizational socialization has been a very important process for learning knowledge, skills and behaviors in hospital setting. This study was to analyze and clarify the meaning of the concept of Organizational Socialization. Method : This study use the process of Walker & Avant's concept analysis. Results : The critical attributes of organizational socialization were identified as : 1) Internalization of Value and belief of organization; 2) Learning of organizational rules and modes of living; 3) Improvement of job performance; 4) Maintenance of supportive relationship; 5) Formation of occupational identity. The antecedents of organizational socialization consist of those facts that 1) negative feeling of role; 2) difficulties of interpersonal relationship; 3) unskilled work performance. And the consequences of organizational socialization consist of those facts that 1) organizational commitment; 2) job satisfaction; 3) intention of leave work setting; 4) improvement of job performance; 5) improvement of decision making; 6) maintenance of supportive relationship. Conclusion : Through this concept analysis, the concept of organizational socialization is defined as internalization of value and belief of organization, learning of organizational rules and modes of living, improvement of job performance, maintenance of supportive relationship and formation of occupational identity.

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The Study on the Concept of Elementary School Students Regarding the Stratum (초등학생들의 지층에 대한 개념 연구)

  • Kim, Deok-Ho;Hong, Seung-Ho
    • Journal of Korean Elementary Science Education
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    • v.33 no.4
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    • pp.607-619
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    • 2014
  • The purpose of this study is to investigate the degree of concept understanding on the stratum for elementary school students. For this objective, questions on the stratum concept were developed, and concept survey was conducted for random sampling of $5^{th}$ and $6^{th}$ grade 536 students. As a result, students chosen correct answers of the average 57.4% for 16 questions. Below the average rate of correct answers in each domain were 1 question in the definition of the stratum, 3 questions in formation of the stratum, and 4 questions in features of the stratum. Especially, the percentage of correct answers were appeared in lowly that the difference between the visible side and non visible side on the stratum, the definition and formation process of a fault and the main cause of the stratum's exposure. Also, between the residence, grade, and gender of students, there were significant differences in 2 questions, 7 questions, and 1 questions, respectively. Therefore, many elementary school students do not have high understanding about the stratum concept. Through the results of this study, it can be contributed to find an efficient ways as a basic data for modify misconceptions of the stratum to the scientific concept.

Derivation of JIC based JFC Analysis of the Aegis Korean BMD Using CASE Tool (CASE 도구를 활용한 기능범주 분석 기반 이지스급 함정의 한국적 탄도미사일방어 JIC 도출)

  • Lim, Chong-Su;Kwon, Yong-Soo;Lee, Kyoung-Haing
    • Journal of the Korea Institute of Military Science and Technology
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    • v.13 no.3
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    • pp.421-430
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    • 2010
  • This work describes a derivation process of JIC(Joint Integrating Concept) based JFC(Joint Functional Concept) analysis of an Aegis BMD(Ballistic Missile Defense). JIC is developed through JOC(Joint Operating Concept) and JFC based on capstone strategy and concept. Aegis BMD is a sea-based ballistic missile defense to detect ballistic missile threat, increase engagement battlespace and enable multiple engagement based on Aegis ships. Aegis BMD is a good case of JIC due to performing an Joint operations based on System of Systems under highly complicated NCW environment. This work analyses JFC using QFD(Quality Function Deployment) and UJTL(Universal Joint Task List). From this analysis the JIC of Aegis Korean BMD is derived using a CASE tool.

The Effects of Psychomotorik on Self Concept, Sociability and Aggression in Preschoolers (심리운동이 학령 전 아동의 자아 개념, 사회성 및 공격성에 미치는 효과)

  • Choi, Young-Sil;Lee, Eun-Ja
    • Child Health Nursing Research
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    • v.14 no.4
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    • pp.379-387
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    • 2008
  • Purpose: This study was conducted to investigate the effects of a psychomotorik program on the self concept, sociability and aggression in preschoolers. Method: The research design was a nonequivalent control group pretest-posttest design. There were 34 subjects in the experimental group and 34 in control group among 68 preschoolers in a nursery in the city of G. The experimental group received an 12 weeks psychomotorik. The out come variables were measured before and after the program. Collected data were analyzed by Fisher's exact test, t-test, $X^2$. test, repeated measures ANOVA & ANCOVA using the SPSS 15.0 program. Result: After psychomotorik program, self concept, sociability were increased and aggression decreased in the experimental group. Conclusion: Psychomotorik program was effective in increasing self concept and sociability and decreasing aggression. The program should be effective in psychological development of preshoolers.

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A Multi-Strategic Concept-Spotting Approach for Robust Understanding of Spoken Korean

  • Lee, Chang-Ki;Eun, Ji-Hyun;Jeong, Min-Woo;Lee, Gary Geun-Bae;Hwang, Yi-Gyu;Jang, Myung-Gil
    • ETRI Journal
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    • v.29 no.2
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    • pp.179-188
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    • 2007
  • We propose a multi-strategic concept-spotting approach for robust spoken language understanding of conversational Korean in a hostile recognition environment such as in-car navigation and telebanking services. Our concept-spotting method adopts a partial semantic understanding strategy within a given specific domain since the method tries to directly extract predefined meaning representation slot values from spoken language inputs. In spite of partial understanding, we can efficiently acquire the necessary information to compose interesting applications because the meaning representation slots are properly designed for specific domain-oriented understanding tasks. We also propose a multi-strategic method based on this concept-spotting approach such as a voting method. We present experiments conducted to verify the feasibility of these methods using a variety of spoken Korean data.

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Reasoning Models in Physics Learning of Scientifically Gifted Students (과학영재의 물리개념 이해에 관한 사고모형)

  • Lee, Young-Mee;Kim, Sung-Won
    • Journal of The Korean Association For Science Education
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    • v.28 no.8
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    • pp.796-813
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    • 2008
  • A good understanding of how gifted science students understand physics is important to developing and delivering effective curriculum for gifted science students. This dissertation reports on a systematic investigation of gifted science students' reasoning model in learning physics. An analysis of videotaped class work, written work and interviews indicate that I will discuss the framework to characterize student reasoning. There are three main groups of students. The first group of gifted science students holds several different understandings of a single concept and apply them inconsistently to the tasks related to that concept. Most of these students hold the Aristotelian Model about Newton's second law. In this case, I define this reasoning model as the manifold model. The second group of gifted science students hold a unitary understanding of a single concept and apply it consistently to several tasks. Most of these students hold a Newtonian Model about Newton's second law. In this case, I define this reasoning model as the coherence model. Finally, some gifted science students have a manifold model with several different perceptions of a single concept and apply them inconsistently to tasks related to the concept. Most of these students hold the Aristotelian Model about Newton's second law. In this case, I define this reasoning model as the coherence model.

A Theoretical Study on the Concept of 'Customer' as n Replaced Term with User (이용자 대체용어로서 고객 개념에 대한 고찰)

  • Kim, Gi-Yeong
    • Journal of the Korean Society for Library and Information Science
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    • v.42 no.2
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    • pp.235-253
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    • 2008
  • Although use of the term 'customer' has been and is being increased in the area of Library and Information Science, its concept is not clearly differentiated from the replaced term 'user'. Moreover, there has been a tendency that librarians would have objection against using the term customer. Based on this situation, the concept of customer is examined by comparing with related terms, and its impact on library management is discussed. Libraries have adapted marketing viewpoint by applying the concept of customer to themselves, and it requires total change in the library management.

Semiotic Analysis of the Inscriptions Representing Concept of Atom and Molecule in the 9th Grade Science Textbooks (중학교 3학년 과학 교과서에서 원자 및 분자 개념을 표상한 시각자료의 기호학적 분석)

  • Noh, Tae-Hee;Yoon, Mi-Suk;Kang, Hun-Sik;Han, Jae-Young
    • Journal of the Korean Chemical Society
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    • v.51 no.5
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    • pp.423-432
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    • 2007
  • In this study we investigated the types of inscriptions representing the concept of atom and molecule in the 9th grade science textbooks developed under the 7th National Curriculum, and analyzed the processes of interpreting those inscriptions on the view of semiotics. The concept of atom and molecule was represented in various ways such as circular diagram, matters of everyday life, ball-and-stick, and STM graphic, etc. We identified two kinds of inscriptions on the basis of the possibilities of handling models: the inscriptions that represent concept of atom and molecule by image; the inscriptions that represent concept of atom and molecule by using specific matters. We analyzed the processes of interpreting inscriptions systematically with a semiotic model that includes ‘structuring processes' and ‘translating processes'. The interpretation of inscriptions representing concept of atom and molecule was a complex process requiring many steps of interpreting works. Educational implications of these findings are discussed.