• 유통과학연구
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• 제20권11호
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• pp.89-98
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• 2022

Purpose: Increasing competition in the higher education sector has prompted universities to enhance their marketing efforts and understand their potential customers. The study aims to explore how information sources are used and changed among prospective Vietnamese students during the decision-making process. Research Design, Data, and Methodology: This study undertakes a longitudinal study involving multiple rounds of data collection to better understand the decision-making process of prospective students. Data was collected from 12th -grade students in Vietnam through two rounds of quantitative surveys with 251 students and one round of qualitative interviews, spanning the duration of their senior year. The three stages of the decision-making process correspond to the three stages of pre-purchase period. Results: Most students decide that attending open days, taking career assessments, and looking up information online are the most important information sources to consider. The WOM sources are more important in the early stages, while university-generated sources and events are important in the later stages. Conclusion: Implications from this study may contribute to the design of more effective marketing communications campaigns as university marketers gain a better understanding of the distribution of information sources utilized for each specific stage of the decision-making process.

• 한국수학교육학회지시리즈A:수학교육
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• 제58권1호
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• pp.21-39
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• 2019

This study examines the longitudinal effect of goal perception, mathematics class factors(perceptions about mathematics teachers (PMT), mathematics classroom attitude), and mathematics academic achievement. This study consists of three research models. First, we examined the longitudinal change of goal perception, perceptions about mathematics teachers (PMT), mathematics classroom attitude, and mathematics academic achievement using latent growth curve modeling. Secondly, the slope of PMT is a critical mediator between the slope of goal perception and the slope of mathematics academic achievement. Finally, the slope of mathematics classroom attitude is a critical mediator between the slope of goal perception and the slope of mathematics academic achievement. Data were extracted from Seoul Education Longitudinal Study from 2010 to 2012 (in three waves), and the analysis used by middle school students, measured by 4163 students of the three-wave surveys. Latent growth modeling was applied to verify the research problems. The results of the research are as follows. First, the slope of goal perception had positive and significant effects on the slope of PMT and mathematics classroom attitude, respectively. Second, the slope of PMT and mathematics classroom attitude had positively significant effects on the slope of mathematics academic achievement. Finally, it was confirmed that the slopes of PMT and mathematics classroom attitude are critical mediators between the slope of goal perception and the slope of mathematics academic achievement.

• 한국심리학회지 : 문화 및 사회문제
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• 제17권4호
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• pp.415-434
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• 2011

여가생활은 우리의 삶의 질을 향상시키는 중요한 역할을 한다. 그러나 기존 연구들은 여가가 미치는 영향력을 종단적으로 살펴보지 못하여 그 인과관계를 정확히 확인할 수 없었다. 특히나 평균 수명이 80세에 달하는 오늘날 중년기는 노년기 못지않게 새로운 관심 영역으로 떠오르고 있다. 이에 본 연구에서는 중년기의 여가생활이 행복과 건강에 미치는 영향력을 종단적으로 알아보았다. 연구에 참여한 사람들은 총 145명으로 서울지역에 거주하는 40세에서 65세 사이의 중년기에 해당하였다. 설문은 10개월을 간격으로 재실시 되었으며, 여가생활에 관한 질문은 여가만족도와 여가참여시간을 조사하였다. 행복과 건강에 관한 설문 내용은 주관적 행복감, 심리적 건강 불편증상, 신체적 건강 불편증상, 및 수면의 질 등으로 구성되었다. 분석방법은 위계적 회귀 분석을 이용하여 1차 조사 시기의 여가만족도와 여가참여시간이 1차 때의 각 종속변인을 통제한 후에도 여전히 2차 시기의 종속변인에 영향력을 미치는지를 조사하였다. 분석 결과, 여가만족도는 10개월 후의 주관적 행복감, 심리적 건강 불편 증상, 그리고 수면의 질에 유의미한 영향을 미치는 것으로 나타났고, 여가참여시간은 주관적 행복감, 심리적 및 신체적 건강 불편증상에 유의미하게 영향을 주었다. 이러한 연구 결과를 바탕으로 중년기 여가 활성화를 위한 방안과 본 연구의 시사점을 논의하였다.

• Nutrition Research and Practice
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• 제14권1호
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• pp.62-69
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• 2020

BACKGROUND/OBJECTIVES: A number of studies examined secular trends in blood lipid profiles using time series data of national surveys whereas few studies investigated individual-level factors contributing to such trends. The present study aimed to examine secular trends in dietary and modifiable factors and hyper-LDL-cholesterolemia (HC) prevalence and evaluate their associations using time series data of nationwide surveys. SUBJECTS/METHODS: The study included 41,073 Korean adults aged ≥ 30 years from the 2005, 2007-2009, 2010-2012, 2013-2015, and 2016 Korea National Health and Nutrition Examination Surveys. Stepwise logistic regression analysis was performed to select significant factors associated with HC, which was defined as serum LDL cholesterol levels ≥130 mg/dL. RESULTS: The following factors showed a positive association with HC (P < 0.05): for men having higher body mass index (BMI), being married, having an office job, and consuming higher dairy and vegetable oil products; for women having higher age or BMI, having no job or a non-office job, not in a low-income household, and consuming higher dairy products. In the given model, the 2016 survey data showed that a 2 kg/㎡ reduction in BMI of obese persons resulted in a decreased HC prevalence from 30.8% to 29.3% among men and from 33.6% to 32.5% among women. CONCLUSIONS: Based on these findings, it is suggested that primary prevention programs should advocate having proper BMI for Korean adults with a high-risk of HC. However, whether discouraging consumption of dairy and vegetable oil products can reduce HC prevalence warrants further studies with a prospective longitudinal design.

• 간호행정학회지
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• 제19권3호
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• pp.351-360
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• 2013

Purpose: This study was done to investigate changes in nursing students' moral judgment throughout their professional education, and to identify more suitable ways to evaluate ethics education by using P (%) scores only and P (%) scores with 4th scores. Methods: The study consisted of cross-sectional and longitudinal surveys as well as a study using a nonequivalent control group pre-post experimental design. The participants were nursing students attending a university in Gyeongju, Korea. The data were collected from September 1, 2006 to October 31, 2009 using the Korean version of the Defining Issues Test. Results: In the cross-sectional survey, there was no significant difference in the nursing students' moral judgment scores according to their school grades. In the longitudinal survey, nursing students' moral judgment scores did not change significantly over the duration of their education. In the nonequivalent control group study, the effectiveness of nursing ethics education was identified by P (%) scores only. Conclusion: The evidence indicates that nursing professional education does not influence the development of nursing students' moral judgment, and using P (%) scores only seems to be a better way compared to other ways to evaluate the effects of nursing ethics education.

• International Journal of Advanced Culture Technology
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• 제9권3호
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• pp.243-252
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• 2021

The Gwangju Daein Art Market, once declared as a declined market, was regarded as a success after an inflow of artists. However, the number of resident artists decreased from 100 at the end of 2015 to 39, to 9 in 2018, and to 6 in 2021. The project site showed signs of decline toward the completion of the project, leading to a Longitudinal study on the project's sustainability. The purpose of this study is to investigate the causes of outflow of artists and the network characteristics of the remaining artists from a sustainability perspective and thereby draw policy implications. As an analysis method, in-depth interviews and surveys were conducted. After that, we checked the remaining artists in 2018 and 2021 and identified the network characteristics. Based on the interview results, the causes of outflow were classified into programmatic, physical, and other factors. The results of a comparison showed that the levels of understanding, satisfaction, and frequency of exchange decreased. The study also provides policy implications. First, a sustainable, long-term program for the artists must involve the improvement of physical space. Second, participation in the market should be encouraged by working with artists on program composition or business progress. Third, programs for supporting exchange among artists should be further strengthened.

• 한국조사연구학회:학술대회논문집
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• 한국조사연구학회 2000년도 춘계학술대회 조사연구의 방법론적 쟁점
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• pp.117-135
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• 2000

구조 조정을 거치면서 한국의 기업들은 고용관계의 구조와 관행에서 현저한 변화를 보이고 있다. 하지만 이러한 변화의 실상과 내용에 대한 정보의 결여로 인해 정책 당국자들은 올바른 사업장 단위의 고용관계 정책 입안에 애로를 겪고 있다. 정확한 현실 진단과 효율적 정책 입안을 위해 기업단위의 고용관계, 고용 및 인적자원 경영관행에 대한 정확한 실태 및 변화추세 파악이 필요하다. 이 논문은 고용관계 패널조사의 필요성과 아울러 그 조사방법에 대한 함의를 얻기 위해 주요 선진 국가들에서 80년대부터 실시한 사업장 단위 고용관계 패널조사의 경험들을 검토하고, 이에 기초하여 한국 현실에 적합한 사업장 단위 노사관계 패널조사의 의미와 방향을 모색한다. 특히 패널 조사의 특성과 관련된 조사방법상의 문제점들이 집중적으로 논의된다.

• 한국조사연구학회지:조사연구
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• 제1권2호
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• pp.117-135
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• 2000

구조 조정을 거치면서 한국의 기업들은 고용관계의 구조와 관행에서 현저한 변화를 보이고 있다. 하지만 이러한 변화의 실상과 내용에 대한 정보의 결여로 인해 정책 당국자들은 올바른 사업장 단위의 고용관계 정책 입안에 애로를 겪고 있다. 정확한 현실 진단과 효율적 정책 입안을 위해 기업 단위의 고용관계, 고용 및 인적자원 경영관행에 대한 정확한 실태 및 변화추세 파악이 필요하다. 이 논문은 고용관계 패널조사의 필요성과 아울러 그 조사방법에 대한 함의를 얻기 위해 주요 선진 국가들에서 80년대부터 실시한 사업장 단위 고용관계 패널조사의 경험들을 검토하고, 이에 기초하여 한국 현실에 적합한 사업장 단위 노사관계 패널조사의 의미와 방향을 모색한다. 특히 패널 조사의 특성과 관련된 조사방법상의 문제점들이 집중적으로 논의된다.

• 한국콘텐츠학회논문지
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• 제19권7호
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• pp.138-148
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• 2019

사회적관계 요인이 노인의 우울 수준과 밀접한 관련이 있다는 것은 선행연구를 통해 확인되고 있으나, 우울 수준 궤적에 영향을 미치는 사회적관계 하위요인에 대한 구체적인 연구는 이루어지지 않고 있다. 이러한 한계를 고려한 본 연구는 노인의 사회적관계 하위요인이 노인의 우울 궤적에 미치는 영향요인을 분석하는데 연구 목적이 있다. 연구를 위해 한국고용정보원이 제공하고 있는 고령화연구패널자료(Korean Longitudinal Survey of Ageing: KLoSA)의 3, 4, 5, 6차 자료를 활용 했으며, 65세 이상 4차시 모두 설문에 응답한 2,484명을 최종 분석대상으로 활용하였다. 65세 이상 노인의 우울 수준에 대한 종단적 연구에서 시간이 지날수록 개인별 우울 수준이 낮아지고 있어 긍정적 변화가 있음을 확인했고, 잠재성장모형의 조건부 모형을 통해 노인의 우울 궤적에 미치는 구체적인 사회적관계 요인을 분석하였다. 분석 결과, 배우자유무, 가구원수, 친한 사람과의 만남, 경제활동 유무, 종교 유무 등이 노인의 우울 수준 초기값에 영향을 미치는 요인으로 나타났으며, 가구원수, 친한 사람과의 만남, 삶에 대한 기대감 등이 노인의 우울 수준 궤적에 영향을 미치는 요인으로 나타났다. 연구결과를 통해 노인의 우울수준을 지속적으로 낮출 수 있는 구체적인 프로그램 및 지원의 필요함 등을 제언하였다.

• Journal of Ecology and Environment
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• 제48권1호
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• pp.32-48
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• 2024

Background: Longitudinal connectivity in river systems strongly affects biological components related to ecosystem functioning, thereby playing an important role in shaping local biodiversity and ecosystem health. Environmental DNA (eDNA)-based metabarcoding has an advantage of enabling to sensitively diagnose the presence/absence of species, becoming an efficient/effective approach for studying the community structure of ecosystems. However, little attention has been paid to eDNA-based biomonitoring for river systems, particularly for assessing the river longitudinal connectivity. In this study, by using eDNA we analyzed and compared species diversity and composition among artificial barriers to assess the longitudinal connectivity of the fish community along down-, mid- and upstream in the Hotancheon from the Geum River basin. Moreover, we investigated temporal variation in eDNA fish community structure and species diversity according to season. Results: The results of species detected between eDNA and conventional surveys revealed higher sensitivity for eDNA and 61% of species (23/38) detected in both methods. The results showed that eDNA-based fish community structure differs from down-, mid- and upstream, and species diversity decreased from down to upstream regardless of season. We found that there was generally higher species diversity at the study sites in spring (a total number of species across the sites [n] = 29) than in autumn (n = 27). Nonmetric multidimensional scaling and heatmap analyses further suggest that there was a tendency for community clusters to form in the down-, mid- and upstream, and seasonal variation in the community structure also existed for the sites. Dominant species in the Hotancheon was Rhynchocypris oxycephalus (26.07%) regardless of season, and subdominant species was Nipponocypris koreanus (16.50%) in spring and Odontobutis platycephala (15.73%) in autumn. Artificial barriers appeared to negatively affect the connectivity of some fish species of high mobility. Conclusions: This study attempts to establish a biological monitoring system by highlighting the versatility and power of eDNA metabarcoding in monitoring native fish community and further evaluating the longitudinal connectivity of river ecosystems. The results of this study suggest that eDNA can be applied to identify fish community structure and species diversity in river systems, although some shortcomings remain still need to be resolved.