• Title/Summary/Keyword: 가설 유형

Search Result 402, Processing Time 0.024 seconds

Development and Application of Learning Materials for the Law of Planetary Motion using the Kepler's Abductive Reasoning (행성운동법칙에 관한 케플러의 귀추적 사고를 도입한 학습자료의 개발 및 적용)

  • Park, Su-Gyeong
    • Journal of the Korean earth science society
    • /
    • v.33 no.2
    • /
    • pp.170-182
    • /
    • 2012
  • The purpose of this study was to develop learning materials based on the Kepler's abductive reasoning and to identify high school students' rule-inferring strategies on the law of planetary motion. The learning materials including the concepts of solar magnetic field, conservation of figure skater's angular momentum and Kepler's polyhedral theory were developed and the questions about Kepler's 2nd and 3rd law of planetary motion were also created. The participants were 79science high school students and 83general high school students. The patterns and properties of their abductive inference were analyzed. The findings revealed that the students showed 'incomplete analogy abduction', 'analogy abduction' and 'reconstruction' to generate the hypotheses concerning the Mars' motion related to the solar magnetic field. There were more general high school students who showed the incomplete analogy abduction than science high school students. On the other hand, there were more science high school students who showed the analogy abduction and reconstruction strategy than general high school students. Also, they showed 'incomplete analogy abduction', 'analogy abduction' and 'model construction and manipulation' to generate the hypotheses concerning Kepler's second law. A number of general high school students showed the incomplete analogy. It is suggested that because the analogy of figure skater cause the students' alternative framework to use, more detailed demonstration is necessary in class. In addition, students combined Kepler's polyhedral theory with their prior knowledge to infer Kepler's third law.

A Study on the Editorial Design of Magazine, Its New Concept & Advancement (디자인 전문지 <에미그레(Emigre)> 편집디자인의 혁신과 진보)

  • 이옥수
    • Archives of design research
    • /
    • v.13 no.4
    • /
    • pp.163-174
    • /
    • 2000
  • issued in the U.S is a magazine specialized in graphic design, which has a totally different style from commercial magazines such as show case. The main motive why Rudy VanderLans, the publisher, first issued this magazine in the early 1980s is his assertion that there is no design paradigm of universial concept in the aspect of viaual communication design. Also, it started from his recognition that a medium for letting a new generation's show their liberal thinking and experimental expressions. This study looks at theologies and assertions on new graphic concept, which is called the New Wave of graphic design by classifying the plans of into form and contents, and analyzes its specialty in design. Also, this study examines the overall trends of non-Grid editorial design since the modern style. By doing so, I could have a general look at the progressive traits and their futuristic directions that become to have a shorter life cycle with the advent of the 21st century's information era, high-tech media and the change of production environment by digital technology.

  • PDF

Development and Application of the Photosynthesis Experimental Module Based on Scientist's Inquiry Processes (과학자의 탐구 과정을 재구성한 광합성 실험 모듈의 개발과 적용)

  • Kim, Ho-Gi;Kim, Yeon-Ju;Kim, Sung-Ha
    • Journal of Science Education
    • /
    • v.35 no.2
    • /
    • pp.204-220
    • /
    • 2011
  • This study was intended to develop an experimental module based on inquiry processes conducted by photosynthesis scientists. It was aimed to enhance scientific inquiry ability of the middle school students by applying the developed module. Developed module included some experiments conducted by earlier photosynthesis scientists such as Helmont, Woodward, Priestly, Hales and Ingen-Hausz. Inquiry process was involved in the developed module for instructing the inquiry methods. Rapid-cycling Brassica rapa known as a Fast Plant was used for the experimental material. Developed module was applied to the experimental group consisting 27 eighth grader, while experiments suggested in the science textbook was applied to the control group consisting 30 eighth grader. Developed module was more effective in improving students' scientific inquiry ability, especially measuring, forecasting and hypothesizing ability as its subordinate elements. When the result of post-test was compared to one of pre-test in the experimental group, their observing, forecasting, and generalization ability were improved. Experimental group showed that students' conception in photosynthesis and conceptual development related with the role of plants in the ecosystem and plant's food and movement of the water and nutrients were also improved. Before application, students in the experimental group did not have enough understanding of the abstract concept such as the existence or the role of the materials like $CO_2$ or $O_2$ or the energy accumulation. Developed module could help students to achieve the comprehensive concept regarding the role of plants as producers of organic matter and oxygen and to enhance their scientific inquiry ability and concepts regarding photosynthesis.

  • PDF

Does the Preference for Emotional Paintings Depends on Personality? (정서적 미술작품에 대한 선호가 성격 유형에 의해 달라지는가?)

  • Yoon, Yosun;Lee, Seungbok
    • Science of Emotion and Sensibility
    • /
    • v.19 no.3
    • /
    • pp.15-26
    • /
    • 2016
  • This study was performed to investigate whether aesthetic preference is related to the personality of an individual or not. Even though prior studies have reported that aesthetic preference for a certain style of art is associated with a personality factor, it is more important to focus on impressions and feelings about paintings than the style of art. The present study tried to examine how positive, negative, and neutral feelings about paintings are related to a personality factor, and that familiarity has an effect on aesthetic preference. After participants answered a Big-Five personality questionnaire, they then rated the preference for and familiarity about paintings which implied emotions. The results showed that individuals with higher scores of neuroticism preferred negative paintings. A preference for negative paintings is hard to explain, but this could be explained by results of this study. A hypothesis that familiar paintings would be more preferred is supported by the data. Aesthetic preference has both objectivity and the subjectivity. This study explained subjectivity through individual differences, and investigate art from a psychological point of view rather than conservative methods that sort paintings into art history.

A Comparative Study on the Differences in Cultural Attributes of Gamification between Korea and Austria (게이미피케이션 요소의 문화적 차이에 대한 한국-오스트리아 비교 연구)

  • Kim, Jongwoo;Kim, Sangwook
    • Journal of Korea Society of Industrial Information Systems
    • /
    • v.23 no.1
    • /
    • pp.109-122
    • /
    • 2018
  • Gamification is receiving much attention from a variety of fields of life as it has tremendous potential to help people get experienced with 'fun' by the elements of game mechanism and thus attract their voluntary participation eventually to reach the state of 'flow'. Some studies examined this process with a focus the relationship between game elements and flow while others regarded the game elements as fun elements and discussed the relationship between fun and flow. However, starting from the fact that the fundamental reason humans play a game is for fun and fun is in turn induced through game elements, our study defines fun as an emotion and uses it a factors are also introduced as control variables for the study on the belief that game elements affecting fun will apparently vary depending on the cultural dimensions. This study confirms that difference exists in correlations between game element, fun, and flow, depending on the different cultural settings. By comparing samples from Korea and Austria, each representing the east and the west respectively, it was found that 'social fun' affects flow and both 'relationship' and 'reward' are in turn affecting social fun in case of Korea. On the other hand, Austrian case reveals that cognitive fun affects flow and game elements affecting cognitive fun are 'story' and 'reward'.

Consumer's Perception to Service Relationship Efforts and Mediating Role of Relationship Quality to Relationship Performance in Retailing Stores (소매점의 서비스 관계노력 지각과 관계성과에 따른 관계품질의 매개역할)

  • Choi, Chul-Jae
    • The Journal of the Korea Contents Association
    • /
    • v.17 no.8
    • /
    • pp.535-550
    • /
    • 2017
  • The purpose of this study is to identify the factors that customers perceive as important relationship investment in the relationship efforts provided by retailers for customer relationship purposes and to explain the mediating role of relationship quality such as trust, relationship commitment in the relationship perceived relationship investment and relationship performance. For this study, 270 respondents were surveyed and data were analyzed using SPSS 21.0 and AMOS 20.0 statistical package. Statistical analysis tools, such as SPSS 21.0 and AMOS 20.0 were utilized for ensuring the validity and the reliability, whereas the SEM method was used for testing the research hypothesis. The results of study are as follows. Financial efforts and structural efforts have affected perceived relationship investment. Perceived relationship investment affected trust and relationship commitment but not loyalty. Trust influenced relationship commitment and loyalty whereas relationship commitment did not affect loyalty. Therefore, it is important for retail marketing managers to provide tangible rewards and special benefits at all times in order to recognize that they are doing the best service efforts for customer relations. In order to secure long-term and stable profits by establishing a relationship with them, the service marketing strategies should be promoted to enhance the relationship quality by raising the level of trust.

The Effects of Transformational, Transactional Leadership on the Creativity of Team Members in R&D Organization: Mediating Effect of Team Climate and Moderating Effect of Organizational Culture (변혁적, 거래적 리더십이 연구개발조직 구성원의 창의성에 미치는 영향: 팀 풍토의 조절효과 및 조직문화의 조절효과)

  • Seo, Jeong-Seok;Kim, Byung-Keun
    • Journal of Korea Technology Innovation Society
    • /
    • v.20 no.3
    • /
    • pp.684-708
    • /
    • 2017
  • This paper investigates the effects of transformational leadership and transactional leadership on the creativity of members in R&D organizations. We also analyze the leadership mechanism and the influence of effective environment by using team climate as a mediator and using adhocracy and hierarchy organizational culture as moderator. Data were collected through surveys of Korean Public Research Institutes conducting mainly basic science and applied sciences. 327 valid samples were tested using a structural equation model (SEM). Empirical results confirm that transactional leadership exhibits stronger direct effect on the creativity than transformational leadership. However, in indirect effects mediated by creative team climate, transformational leadership is found to be stronger than transactional leadership. It may reflect the characteristics of R&D organization. Also, through the verification of the moderating effect of the organizational culture, the adhocracy organizational culture appears to improve the creativity and the hierarchical organizational culture appears to inhibit the creativity. It is confirmed that the influence of organizational culture is statistically significant in R&D organizations with strong autonomy and independence. It is suggested that the leadership on the creativity of the members in the R&D organization may be indirect in the context of the team and the organization as well as the direct effects according to the type.

Study on the Influence of Service of Service Quality on Customer Loyalty of the Tourist Industry Event (관광산업이벤트에 관한 서비스품질이 고객만족도와 고객충성도에 미치는 영향에 관한 연구)

  • Park, Ji Soo
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.18 no.2
    • /
    • pp.102-115
    • /
    • 2017
  • This study, focused on customers of tourist industry events, aims to examine the influence of service quality on customer satisfaction and customer loyalty. The overall explanatory power ($R^2$) on the dependent variable 'customer satisfaction' in relation to service quality was found to be 47.1%, and the overall explanatory power($R^2$) on the dependent variable 'customer loyalty' in relation to service quality was 36.6%. The F-test, which was conducted to determine the statistical significance of the above regression equation, showed a value of 157.599, thus confirming the statistical significance of the regression equation on how service quality affects customer loyalty. The t-test, was conducted to determine the statistically significant variables of service quality of tourism industry events (t=5.359, p= .000). Furthermore, the analysis showed that customer satisfaction had a positive (+) influence on customer loyalty (t=12.554, p= .000). Therefore the hypothesis that the quality of service affects customer satisfaction and loyalty was supported. As a result, it was found that the higher the level of service quality, tangibility, reliability, responsiveness, confidence empathy, and event quality, the higher the customer satisfaction level.

CHARACTERISTICS OF ATTENTION DEFICIT OF ADHD ON COMPUTERIZED NEUROCOGNITIVE FUNCTION TESTS (전산화 신경인지기능검사를 이용한 주의력결핍/과잉운동 장애의 주의력결핍특성에 관한 연구)

  • Chung, Sun-Ju;Shin, Min-Sup;Ha, Kyoo-Seob;Hong, Kang-E
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
    • /
    • v.8 no.2
    • /
    • pp.242-255
    • /
    • 1997
  • Characteristics of attention deficit of attention-deficit hyperactivity disorder(ADHD) were investigated by administering six computerized attention tests of Vienna Test System and four neuropsychological tests to children aged 6-12, with ADHD(n=21) and age-matched normal control children(n=22). The findings indicated that ADHD children show lower level of vigilance, more decline of performance in vigilance task on time, and impaired preparedness to response. They also have selective attention deficit on monitoring tasks, but did not have sustained attention deficit compared with normal control children. On the tasks wich overload their information processing capacity, ADHD children show more impulsive response pattern than normal control children. The performance of ADHD was worse than control on the neuropsychological tests sensitive to frontal lobe dysfunction. The presense 'These' attention deficits supports the theory that the defect of ADHD is due to the dysfunction of more than one brain region, including brain stem reticular formation and frontal lobe.

  • PDF

Leadership and Job Satisfaction, Turnover Intend of Chinese Enterprises: Evidence form Globalization (중국기업의 리더십이 조직만족도, 이직의도에 미치는 영향: 글로벌화를 중심으로)

  • Byun, Sun-Young;Kim, Jin-Wook
    • Management & Information Systems Review
    • /
    • v.37 no.1
    • /
    • pp.55-74
    • /
    • 2018
  • China joined the WTO in 2001, and the Chinese market are growing at a rapid pace in the M&A Market. This Research is an Empirical analysis of China's leadership that subdivides leadership style and is an study on the effects of globalization on leadership and job satisfaction in the globalization as moderation variable. The significance of this study is to Refer to the direction of Chinese investments. This paper places emphasis on the change in Chinese organizational culture as a result of globalization and explores the influence of leadership on job satisfaction and turnover intention by using data from MBA students data of Wuhan City, 178 observations. And all of the data were analyzed using both the multiple regression analysis and the moderated regression analysis as well. Results of the empirical test are suggested as follow. First, transactional, transformational and servant leadership have a positive influence on job satisfaction. But it can't find the significant relationship between leadership and turnover intention. Second, there has a significant result that globalization on leadership is partially via the influence of job satisfaction. The result of the moderated regression analysis through the globalization as moderation variable is that globalization strengthens a positive influence on between transformational, emotional leadership and job satisfaction. On the other hand, In the case of this hypothesis that globalization will have mediating effect in the pathway between leadership and turnover intention, I expect that globalization strengthens a negative influence on turnover intention as dependent variable. But The result of the moderated regression analysis through the globalization as moderation variable is that globalization strengthens a positive influence on transactional, transformational, emotional and servant leadership.