• Title/Summary/Keyword: second order effects

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Analysis of the Structural Relationship among Learning Outcomes in Science Classes applying Universal Design for Learning (보편적 학습 설계를 적용한 과학 수업의 학습 성과에 관한 구조적 관계 분석)

  • Lee, Kyoeng-Ran;Back, Nam-Gwon;Park, Jong-Ho
    • Journal of Korean Elementary Science Education
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    • v.34 no.1
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    • pp.1-14
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    • 2015
  • The variety of learners include students with disabilities and general students, and an ongoing focus of inclusive education research is non-discrimination. As part of integrated education, UDL (Universal Design for Learning) for students with disabilities supports a practical approach, participation, and advancement to improve learning opportunities for all students. The purpose of this study was to examine the effects of using UDL in science classes. The dependent variables of this study were academic achievement in science, scientific attitude, and scientific motivation. In this study, the experimental groups were 9 people in the 5th grade and 11 people in 6th grade. The experimental groups were taught science class using UDL. In order to analyze the learning outcomes, the structure equation model was performed. The results of this study were as follows: First, the science achievement of learning outcomes of the science class applying UDL directly affected both scientific attitude and scientific motivation. Second, the scientific attitude of learning outcomes of the science class applying UDL directly did not affect scientific motivation. According to these results, learning outcomes for science achievement of the science class applying UDL showed that UDL affected both general students and students with disabilities. To summarize the analysis of learning outcomes, science achievement directly affected both scientific attitude and scientific motivation while scientific attitude did not affect scientific motivation. This study offered a specific implementation method for integrated education. Using the structure equation model for analyzing the effect has more significance.

Interaction between different nitrogen fertilizer levels and maize-bean intercropping patterns

  • Sadeghi, Hossein;Kazemeini, Seyed Abdolreza
    • Journal of Ecology and Environment
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    • v.35 no.4
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    • pp.269-277
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    • 2012
  • In order to investigate the effects of different maize-bean intercropping patterns, and of nitrogen fertilizers on morphological and yield related traits, a factorial study based on Randomized Complete Block Design (RCBD) was performed during the 2010 and 2011 growing seasons in a research filed of Shiraz University, Iran. The first factor of the study was seven different ratios of Maize-Bean intercropping system (Maize sole cropping, Bean sole cropping, and intercropping of maize/bean at the ratios of 1/3, 1/1, 2/3, 3/2 and 3/1) and the second factor was three nitrogen (N) fertilizer application levels (0, 100 and 200 kg N/ha). Results showed that with respect to increasing the levels of N fertilizer, the yield of bean sole cropping decreased but the yield of maize sole cropping increased. On the other hand, in intercropping systems with N fertilizer application, the yield of both crops increased. Results of total land equivalent ratio (LER) for both crops showed that the highest LER value under both 100 and 200 kg N/ha application was that of M1B1 (1 seed of maize after 1 seed of bean, consecutively, on a row with same distance). Under no N fertilizer application the highest LER value was that of M2B3 (2 seeds of maize after 3 seeds of bean, consecutively, on a row with same distance). Overall, it can be concluded that M1B1 is the best intercropping pattern in maize-bean intercropping systems and that the application of N fertilizer can be effective within practical settings of intercropping agriculture, resulting in higher yields.

Features of Attention Shown at Continuous Observation of Department-Store Space (백화점 공간의 연속 주시에 나타난 주의집중 특성)

  • Choi, Gae-Young
    • Korean Institute of Interior Design Journal
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    • v.24 no.6
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    • pp.128-136
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    • 2015
  • This research, which has been planned to appreciate the features of continuous observation of space, has applied the procedure of acquiring continuous visual information when the act of watching takes place along the time to analyze the space characteristics through the scenes and time so that the features of attention shown in the process of acquiring visual information at the time of observing continuous scenes might be estimated. For analysis of the features of continuous observation was set up the premise that the features of observation and perception vary depending on gender, when the women shops in department stores were selected as research objects. The observation features found at the time of continuous observation of selling spaces in department stores were focused on two analysis methods in order to compare the differences and characteristics of the two. The followings are the findings. First, the area with predominant observation was found to be 87.1% in both methods. It was found that the analysis of observation features by "Analysis I" was useful for inter-sectional comparison of continuous images. Second, in case of extracting predominant sections, the ceiling or the structures which are the backgrounds rarely attracted any eyes. Depending on analysis method, there was the gap of 14.3%~25.0% between observed sections. Third, in case that the hall is curved, the eyes were found to be expanded from side to side and up and down. The review of observation numbers of predominant sections makes it possible to decide whether it should be regarded as (1) unstability or (2) expanding search, and when the images are enlarged from distant view to close-range view, the weakening vanishing point results in the increase of expanded search of surroundings. Accordingly, it was found that the characteristics of images has effects on the observation features when any space was continuously observed. Furthermore, the difference of analysis methods also was found to be likely to cause big differences in the results of analyzing observation features.

An Effect of Lighting Facilities on Crosswalk Accident (횡단보도 조명시설의 설치효과에 관한 연구)

  • Park, Je-Jin;Park, Joo-Cheon;Ha, Tae-Jun
    • Journal of Korean Society of Transportation
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    • v.26 no.2
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    • pp.25-33
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    • 2008
  • This study was practiced in order to analyze the effect of concentrative lighting that is set up at night in some districts. For practicing this study, It was analyzed first, to study the past papers, second, to analyze the condition of the traffic accidents and the characteristics of the accidents, third, to study on the improvements of the high accident locations, finally to study the characteristics about the pedestrians' traffic accidents. The effects of road lighting improvements was analysed. The result of the analysis on concentrative lighting of crosswalk said that the night accidents was decreased to average 16.13% and the Net Present Value(NPV) on the analysis of the effect during using period is 25,648 million won, The B/C is 12.85. So, It was analysed that it is very effective.This study was practiced on the some districts and equipping time is different, and the number of samples is small. Because of this facts, This sample doesn't represent all of the concentrative lightings. But through the systematic analysis, this study can present the alternatives that can be materialized.

The Effect of Convergence Gifted Education Program for Science-Physical Education on Self-Efficacy of the Gifted Students in Elementary School (과학·체육 융합영재교육 프로그램이 초등영재 학생들의 자아효능감에 미치는 영향)

  • Lee, Ho-Min;Son, Jeongwoo
    • Journal of Science Education
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    • v.39 no.2
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    • pp.255-266
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    • 2015
  • The purpose of this study is to find out the effects of convergence gifted education program for science-physical education on self-efficacy of the gifted students in elementary school. So, the program was carried out for the gifted students in the 5th grade of elementary school during the 8 hours on two subjects, we investigated the cause and effect through the pre-post test of self-efficacy and interview. The results were as follows. First, it was observed that it would have a meaningful effect to improve the self-efficacy of gifted students who performed gifted education program for science-physical education convergence. Especially, the results of 'confidence', 'difficulty preferences' was statistic meaningful differences. Second, convergence gifted education program for science-physical education enhanced confidence and challenge of consciousness of students. Especially, when products of gifted students are applied to real-world valued the higher confidence. Therefore, we found that in order to increase the gifted students' self-efficacy, gifted education program is configured by applying the products to the actual field.

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Development of Cationic Dyeable Polyamide Substrates by Pretreatment with Synthetic Tanning Agent: Statistical Optimization and Analysis

  • Son, Young-A;Ravikumar, K.;Bae, Jin-Seok
    • Textile Coloration and Finishing
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    • v.21 no.5
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    • pp.41-50
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    • 2009
  • Design of experiments (DoE) concept was successfully applied to determine the optimum processing conditions that yield maximum % exhaustion for berberine interaction with synthetic tanning agent pretreated polyamide substrates. The potential of synthetic tanning agent to provide anionic sites on the polyamide for berberine interaction which is cationic in nature was tested to increase the % exhaustion of berberine in this article. Experiments were designed according to Central Composite Rotatable Design (CCRD). The three factors for synthetic tanning agent pretreatment and two factors for berberine interaction each at five different levels, including central and axial points were considered. Experiments were conducted in a laboratory scale infra-red treatment instrument according to CCRD. For each response, second order polynomial models were developed using multiple linear regression analysis incorporating linear, interactions and squared effects of all variables and then optimized. The significance of the mathematical model developed was ascertained using Excel regression (solver) analysis module. Analysis of variance (ANOVA) was performed to check the adequacy and accuracy of the fitted models. The response surfaces and contour maps showing the interaction of process variables were constructed. Applying Monte Carlo simulation, response surface and contour plots, optimum operating conditions were found and at this optimum point, % exhaustion of 81% and 74% respectively for synthetic tanning agent pretreatment and berberine interaction were observed and subsequently the results were experimentally investigated.

Effects of Job Rotation of Public Employees on Organizational Effectiveness (공기업 조직구성원의 직무순환 인식이 조직유효성에 미치는 영향)

  • Ryu, Ho-Hun;Jo, Dong-Hyuk
    • The Journal of the Korea Contents Association
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    • v.18 no.2
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    • pp.626-641
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    • 2018
  • As job rotation provides various job experiences and opportunities to develop potential abilities to employees, it is considered as a strategy for key human resources management to improve individual and organization's competitiveness. Therefore, to practically verify how employees at public companies having perception of job rotation influences on organization effectiveness, based on document research, we examined the viewpoints of perception on job rotation(operating procedure, individual development, career management) and viewpoints of organization effectiveness(job satisfaction, organizational commitment, organizational loyalty) and empirically analyzed organizational relationships. As a result, First, as the perception of job rotation, the operational procedures have a positive effect on job satisfaction, and the operational procedures and career management have a positive effect on organizational commitment. Second, job satisfaction has a positive effect on organizational commitment. Third, job satisfaction and organizational commitment have a positive effect on organizational loyalty. From this research, importance of perception on job rotation is verified in order to improve public companies' organizational effectiveness. This research has a purpose to suggest practical implication to improve the competitiveness of individual and organization at public companies.

A Study on the Compound Colors by Cross-Dyeing of Cotton/PET Union Fabrics (면(綿)/PET 교직물(交織物)의 Cross Dyeing에 의한 복합색상(複合色相) 연구(硏究))

  • Lee, Mi-Kyung
    • Journal of Fashion Business
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    • v.11 no.1
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    • pp.15-25
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    • 2007
  • As a part of the study for the materials development of compound feelings, therefore, this study investigated into the effects of the colors of warp and weft on the overall colors of fabrics, along with the visual changes of colors by the measuring angle of both warp and weft, by means of cross-dyeing of cotton/PET union fabrics. First, the dyeing of cotton and PET fabrics individually with the same color, the dyeing of PET fabrics followed by that of cotton fabrics resulted in a small difference in color than the dyeing in the reversed order. Second, in the case of the dyeing of cotton/PET union fabrics with the color of one fiber fixed and that of the other in ten colors, the color of cotton fiber, which is warp, gave much influence. In addition, the color change was remarkable among complementary colors, while it was negligible among adjacent colors. Third, in the case of dyeing of cotton/PET union fabrics with the color of one fiber fixed and that of the other in ten colors, the results were different by the measuring angle. When PET was fixed in green and cotton was dyed in ten colors, color-deepening was observed by the inclination in the direction of warp and weft without the dominance over all colors like cotton. When cotton was dyed in red and PET in ten colors, the color of PET appeared dimly in the horizontal case by the direction of the light, and red appeared as inclined in the direction of warp and weft. This is because of the dominance of cotton color over the overall color, since the density of cotton fiber, the warp of union fabrics, is higher than that of PET, the weft. Thus, this is to be considered in the selection of the warp's color. In view of the above results, the color changes are outstanding when the color of warp dominates the overall color and when the colors of warp and weft are complementary, in comparison with the case when the colors are adjacent. The colors also change by the measuring angle.

A Multi-level Study on the Effect of Servant Leadership and HRM Control Types on Job Burnout (서번트리더십과 인사관리 유형이 직무소진에 미치는 영향에 관한 다층분석)

  • Lee, Choel-Ki;Pyo, Min-Ho;Lee, Dong-Jin
    • The Journal of the Korea Contents Association
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    • v.17 no.2
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    • pp.55-70
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    • 2017
  • In order to understand job burnout, it is necessary to consider not only the working environment according to the market environment but also the social situation of the team or the organization. This study analyzed the effects of job demands and job resources on job burnout based on JD-R theory. In other words, the team-level variables, servant leadership and HRM control types, were tested for the effect of moderating the individual workload, emotional labor and job burnout. The results of empirical analysis showed that the higher the self-efficacy, the less job burnout, whereas the higher the workload and emotional labor, the more job burnout. Second, the more positive the team level input and result oriented HRM are, the less positive regression relation of workload and job burnout is. Finally, it was found that the intensity of the regression relation of negative self-efficacy and job burnout was amplified in the team with servant leadership.

The Effect of Nurse's Coaching Leadership on Self-Efficacy, Job Engagement and Innovative Behavior in Hospital (간호사의 코칭리더십이 자기효능감, 직무열의 및 혁신행동에 미치는 영향)

  • Park, Hae-Gyeong
    • The Journal of the Korea Contents Association
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    • v.18 no.9
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    • pp.260-272
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    • 2018
  • The purpose of this study was to examine the causal relationship among coaching leadership, self-efficacy, job engagement, innovative behavior and to specify the mediating effects on the relationship between coaching leadership and innovative behavior. Participants were 240 nurses with survey. SPSS 18.0 and AMOS 18.0 were used to analyze the collected data. The result of this study were as follows. First, coaching leadership had a significant effect on self-efficacy, job engagement. Second, coaching leadership had not a significant effect on innovative behavior. Third, self-efficacy had a significant effect on job engagement, innovative behavior. Fourth, job engagement had a significant effect on innovative behavior. Fifth, self-efficacy and job engagement had a mediating effect on the relationship between coaching leadership and innovative behavior. Based on these results, we discussed the rule of self-efficacy and job engagement in the relationship between coaching leadership and innovative behavior. The implication of this study was that in order to induce the active employee's innovative behavior is to improve the employee's self-efficacy and job engagement through the supervisor's coaching leadership.