• 대한공업교육학회지
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• v.34 no.1
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• pp.252-273
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• 2009

Due to the importance of biotechnological literacy, the educational community in fields such as technology education, science education, and agricultural education has acknowledged the importance of biotechnology instruction for secondary school. Although recognized as a content organizer in the field of technology education, the actual teaching of biotechnology has not been broadly implemented in technology education classes. In the perspective of expectancy-value theory, technology teachers' motivation is the key factor for affecting the biotechnology instruction. This study investigates Korean technology teachers' motivational beliefs toward biotechnology and its instruction and their perceived ability and value toward biotechnology learning contents. To measure their motivational beliefs and attitudes, a composite on-line survey (fifteen motivational beliefs items, eight biotechnology content items, and related demographic items) was developed. Based on 114 Korean technology teachers' responses the researcher performed a descriptive analysis, independent t-test, and factor analyses (exploratory and confirmatory factor analysis using M-plus 5.0 and SPSS 16.0). Korean technology teachers' abilities toward eight biotechnology contents indicated lowscores while their values were relatively high. Through the independent sample t-test by two demographic variables (gender and professional development), this study found several significant differences in the perceived value. As a preliminary finding of exploratory factor analysis, fifteen items was separated into two motivational constructs of expectancy (6 items) and value (8 items). One item (item #6) was eliminated due to the cross loading. The final findings of this study may have significant implications for professional development regarding biotechnology and its instruction (both in-service and pre-service training) of technology teachers. Also, the confirmatory facctor analysis supported the preliminary finding. Finally, this study recommends that a validity test for other population, investigation for motivational sub-constructs, and in-depth investigation toward biotechnology instruction.

• The Mathematical Education
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• v.53 no.2
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• pp.185-200
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• 2014

교사의 자기 효능감은 그 교사가 실제로 잘 가르칠지를 예측하는 매우 강력한 구인이다. 본 연구는 우리나라의 초등 예비교사들이 수학을 가르치는데 대한 효능감을 측정하는 정당한 척도를 개발하는 것이다. 먼저, 문헌조사로부터 개인효능감과 결과기대감의 두 개 변인에서 58개의 문항을 개발하였고, 표본 크기 919인 자료 위에서 정규성 검사를 실시하였다. 다음에 전체 자료를 크기가 각각 419와 500인 두 개의 표본으로 나누었고, 첫째 표본에서 신뢰도 검사 및 탐색적 요인 분석을, 둘째 표본에서 확인적 요인 분석을 실시하였다. 최종적으로 개인효능감 변인에서 12 문항, 결과기대감 변인에서 6 문항 등 총 18개의 문항으로 구성된 수학교수효능감척도(MTES)를 개발하였다.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2004.05a
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• pp.60-63
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• 2004

본 논문은 ERP 시스템 구축 과정에서 구축 단계별 주요 성공 요인들이 구축과정에서 상호간에 미치는 영향과 구현 성과에 미치는 영향을 분석하는 체계를 도출하기 위한 탐색적인 연구이다. 기본 연구모형은 ERP시스템 구축단계를 사전 준비단계, 구현 단계, 정착 안정화 단계의 3단계로 나누고, 각 구축단계별 주요 성공요인을 정리하고 구현 과정에서 미치는 상호 영향과 구현 성과에 미치는 영향을 탐색하였다. 연구 방법은 한 기업의 심도있는 사례 연구를 통해 이루어졌다.

• Proceedings of the Safety Management and Science Conference
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• 2013.11a
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• pp.321-327
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• 2013

기관사와 관제사는 일상적 교번근무의 제도적 틀과 사고 및 장애발생의 가능성을 늘 염려하면서 주어진 과업을 수행해나가고 있다. 최근 철도분야의 휴먼에러에 대한 사회적 관심이 높아지면서 휴먼에러 유발의 원인과 해소방안에 대한 연구관심도 더불어 증대되고 있다. 그 동안 기관사를 대상으로 한 연구가 주류를 이루고 있는 가운데 관제사에 대한 접근은 거의 이루어지지 않았다. 그러나 관제사 또한 안전업무종사자의 일원으로 이들의 과업수행은 휴먼에러와 깊은 관련성이 있다. 따라서 본 연구는 안전업무종사자인 기관사와 관제사의 휴먼에러 및 그 선행요인과 후행요인을 탐색적으로 밝히되 사회심리변인들의 상관관계분석 결과를 토대로 두 직종을 비교관점에서 접근함으로써 좀 더 의미있는 결과를 도출하는데 주력했다.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.38 no.2
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• pp.369-376
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• 2018

The majority of construction projects, from the initiation phase to the project completion and operation phase, are influenced by various types of corruption. Iran, as a developing country, has been suffering from this issue in bidding, tendering procedure, contracts etc. Therefore, due to the importance of this issue, this study attempted to identify the causes of corruption and evaluate the most significant factors in the construction projects in Iran. To this aim, an intensive literature review was performed to investigate the various types of corruption and identify the potential factors causing corruption in construction projects. The questionnaire survey was designed, considering twelve forms of corruption, including 77 causes of corruption in construction projects in Iran. Out of 220 distributed questionnaires, 188 were returned by the participants. The valid collected data sets were analyzed and then Exploratory Factor Analysis was applied. It was discovered that "Inappropriate power-sharing," "Lack of obligation for human resources to properly use resources and abide by the rules and regulations" and "Lack of any monitoring of the government's performance" are the most significant factors. Findings from the study would be valuable for the construction projects authorities and academia in order to combat corruption in the construction projects.

• The Journal of the Korea Contents Association
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• v.14 no.11
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• pp.849-857
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• 2014

Occupational Stress is defined the stress which occurs in the workplace or organization. In Korean workers, the rate of occupational stress was 87.8% which was the highest level among OECD countries(average 80.0%). The purpose of this study was to examine the empirical verification of the Korean Occupational Stress Scale(KOSS) in physical therapists. For this purpose, the subject of this study was set up physical therapists who were working at Gyeonggi province and collected from 388 persons by using purposive sampling. The collected data was conducted explanatory factor analysis and confirmatory factor analysis in order to ascertain factor structure and practical verification of KOSS. Major results were as following: first, the reliability of KOSS was 0.83, and it means that a measure of internal consistency is high. Second, the KOSS result of physical therapists was composed 7 subscales(job demand, insufficient job control, job insecurity, interpersonal conflict, occupational system and lack of reward, organizational climate) and that is more appropriate measurement scale than the original one by using explanatory/confirmatory factor analysis. This study could be contributed as a tool for evaluation and outcome of the basic information of related occupational stress in physical therapists.

• Journal of the Korean Applied Science and Technology
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• v.40 no.1
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• pp.24-34
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• 2023

This study sought to explore the online consumption propensity of sports goods by generation of the productive population and to provide basic data to predict the future consumption market by segmenting online consumers in the sports 4.0 market. Therefore, this survey was conducted on those who consumed sports goods among the generation-specific groups (Generation Y and above, Z) of the productive population, and a total of 478 people's data were applied to the final analysis. Data processing was conducted with SPSS statistics (ver.21.0), frequency analysis, exploratory factor analysis, correlation analysis of re-examination reliability, reliability analysis, and decision tree analysis. According to the online consumption propensity of sports goods by generation of the productive population, there is a high probability of being classified as Generation Z group if the factors of leisure, joy, and environment are high. In addition, the classification accuracy of such a model was 69.7%.

• Journal of Convergence for Information Technology
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• v.8 no.4
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• pp.99-108
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• 2018

This study regards the savoring, emotion and happiness of 232 equestrians who participated in leisure sports horse riding. First, exploratory factor analysis and confirmatory factor analysis were conducted to extract the main variables and to verify the validity of the study. Second, correlation analysis was performed to find out the correlation between major variables. Third, path analysis was performed to derive the final result of this study. In addition, we conducted a reliability analysis of major measurement tools to determine internal consistency(Conbach's ${\alpha}$) utilizing IBM SPSS 21.0 and IBM AMOS 21.0. The results show that past recall had a statistically significant negative impact on negative emotions and future expectations had a negative impact on positive emotions. Also, future expectations showed a statistically significant effect on euphoria and positive emotions had positive effects on happiness.

• Journal of The Korean Association For Science Education
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• v.33 no.6
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• pp.1237-1247
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• 2013

The purposes of this study are 1) to revalidate the developed Measuring Instrument Systems Thinking and 2) to compare systems thinking skills between gifted and non-gifted high school students. For the test, 116 gifted science students and 553 non-gifted students were sampled from high schools. Exploratory factor analysis and confirmatory factor analysis were performed and Independent t-test was performed using the average of the two groups. The finding of the exploratory factor analysis indicated 5 factors in the model with 4 items per single factor. The result of confirmatory factor analysis was generally appropriate and acceptable (5 factor model: ${\chi}^2/df$ : 2.765, TLI=.907, CFI=.929, IFI=.930, RMSEA=.044). The reliability for 20 items turned out to be high because the Cronbach's alphas were at .875 and .693~.751 per each factor. In addition, the result of t-test showed that systems thinking skills among gifted science students were significantly higher than non-gifted students. This study could be expanded to measuring systems thinking with qualitative research tools and to various school levels.

• Journal of Practical Engineering Education
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• v.14 no.1
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• pp.49-59
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• 2022

This study was conducted to develop a teaching competency scales customized for teaching programs conducted by Center for Teaching & Learning at A University. To achieve this purpose, a preliminary study was set up, which consists of three competency groups (basic competency, practice competency, innovation competency) and 26 learning competency factors through a review of previous studies. In order to verify the reliability and validity of the provisional teaching competency scales, an online survey was conducted on A university teachers in September 2020, The collected questionnaire data were organized and exploratory factor analysis and confirmatory factor analysis were conducted. As a result of exploratory factor analysis, 26 teaching competency was reduced to 17. As a result of the confirmatory factor analysis, the model was found to be good, Also, as a result of analyzing the construct reliability and AVE of the confirmed teaching competency factors, all 17 factors showed a good level of .7 or more. The teaching competency scales developed through this study can be used as basic data for performance evaluation and development of new programs of CTL teaching program.