• Title/Summary/Keyword: Simple and multiple regression model

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A Model for the Use of Middle School Rooms by the Community (지역주민(地域住民)의 중학교(中學校) 실(室) 이용(利用)에 관(關)한 모델)

  • Min, Chang-Kee
    • Journal of the Korean Institute of Educational Facilities
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    • v.6 no.2
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    • pp.13-23
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    • 1999
  • This paper seeks to find out the policies of management and layout of middle school rooms for the community people's use. This paper surveys community's needs with respect to both the use of school rooms before, during, and after classes and preferences of use of school rooms. This paper adopts two experimental case studies to find out the models. It uses t-test analysis of the statistics to find out community people's preferences for the use of school rooms between two communities in an urban area, and uses simple and multiple regression analyses to develop models concerning community people's uses of school rooms before, during, and after classes. It also uses cluster analysis to find out the cluster among community people's preference of school rooms. It found, first, that community people's use of school rooms after class can be influenced by the uses of a play ground, a music classroom, an audio visual classroom, and a gymnasium. The use during regular classes is related to the uses of the fine arts classroom, a general classroom, a home economics classroom, a gymnasium, and a playground. The use before class is affected by the uses of a fine arts classroom, a playground, and a library. It also found that, with respect to community people's preferential use of school rooms, the rooms can be clustered as a cluster of laboratories such as a general classroom, a music room, a fine arts classroom, a science classroom, a home economics classroom, and a technique classroom, a cluster of athletic areas such as a gymnasium and a playground, and a cluster of supporting facilities such as a library, an audio visual classroom, and a computer classroom. Those clusters can also be clustered in more detail, i. e., that both a general classroom and playground can be apart from a cluster of laboratories or a cluster of supporting facilities; that an audio visual classroom can be fostered into a cluster with a home economics affairs classroom and a technique classroom. Finally this paper suggests policies of management and layout of school rooms.

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Study on the Purchase Intention for Traditional Food according to the Attractiveness of Traditional Food as a Tourism Resource (관광 자원으로서 전통 음식의 매력성에 따른 구매 의사에 관한 연구)

  • Park, Bo-Mi;Yoon, Yoo-Shik;Lee, Kyung-Hee
    • Journal of the East Asian Society of Dietary Life
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    • v.19 no.5
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    • pp.819-826
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    • 2009
  • The present study, we purposed to surveyed how much Korean natives' valuation of value traditional food as a tourism resource and their perception of traditional food, and to measured the attractiveness and potential of traditional food. For this purpose, we reviewed previously published studies research on traditional food and tourism resources, and conducted a questionnaire survey of urban citizens in Seoul on traditional food. Three hundred distributing 300 questionnaires were distributed and recovering 242 of them were returned. In this study, SPSS for Windows 16.0 was used for empirical analysis and the subjects' demographical characteristics were analyzed through frequency analysis. In addition, reliability analysis were performed to test the overall reliability of the empirical survey and collected data. Factor analysis was conducted to integrate variables, and the effect of the attractiveness of traditional food on purchase intention for traditional food was tested through multiple and simple regression analysis. Inquiring By surveying into the attractiveness of traditional food as a tourism resource, this study attempted to formulate a causal relation model among major variables, and examined the effects of the attractiveness of traditional food as a tourism resource on purchase intension based on Korean natives’ perception of and attitude toward traditional food, which is a Korean cultural heritage. Furthermore, and furthermore, made we provided suggestions for the improvement and development of traditional food.

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Moderating Effect of wealth and love in all the relationships between self-esteem and maladaptive behaviors of youth (청소년의 자아존중감과 부적응행동 간 관계에서 부와 모애착의 조절효과)

  • Jo, Mi-Jung;Kim, Min-Joo;Kim, Ju-Young
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.7
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    • pp.4586-4594
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    • 2015
  • This study investigated the relationship between self-esteem and the maladaptive behavior of the youth and examined the moderating effects of father attachment and mother attachment in the relationship of self-esteem and maladaptive behavior. Utilizing SPSS win18.0 program for data analysis, after carrying out descriptive statistics analysis and a simple correlation analysis, hierarchical multiple regression analysis was performed to investigate the interaction model, the primary purpose of this study. The results of this study are as follows. First, the relationship of both self-esteem and maladaptive behaviors of adolescents was significant in the negative direction. Second, father attachment showed no moderation effect in the relationship between self-esteem and maladaptive behavior of adolescents. Third, mother attachment played a quantitative moderating role in the relationship of self-esteem and maladaptive behaviors of adolescents. This study suggested the implication to reduce youth maladaptive behavior in the base of these results.

Moderating Effects of Protective Factors on the Relation between Deviant Peer's Influences and Delinquency in Adolescence (청소년기 비행친구의 영향에 대한 보호요인의 조절효과 - 자아존중감, 부모애착 및 지도감독을 중심으로 -)

  • Park, Hyunsun;Lee, Sang-gyun
    • Korean Journal of Social Welfare Studies
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    • no.37
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    • pp.399-427
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    • 2008
  • The purpose of this study is to examine the moderating effects of protective factors on the relations between deviant peer's influences and delinquent behaviors in adolescence. To investigate the moderating effects, simple slope and region of significance test based on multiple linear regression(MLR) model were used. This study used data from wave 1-2(2003-2004) of the Korea Youth Panel Survey(KYPS). Results showed that for female adolescents, self-esteem, parent monitoring, and attachment to parent moderated the link between best friend's deviancy and delinquent behaviors. For male adolescents, however, best friend's deviancy and protective factors didn't show any significant moderating effects. These results help clarify the conditions under which exposure to deviant best friends can influence delinquent behaviors in adolescence. Practice and policy implications as well as further research topic were discussed to aid the search for highly effective preventive and treatment interventions.

Effects of Second Victim Experiences after Patient Safety Incidents on Nursing Practice Changes in Korean Clinical Nurses: The Mediating Effects of Coping Behaviors (환자안전사건과 관련된 임상간호사의 이차피해경험이 간호실무변화에 미치는 영향: 대처의 매개효과)

  • Jeong, Seohee;Jeong, Seok Hee
    • Journal of Korean Academy of Nursing
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    • v.51 no.4
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    • pp.489-504
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    • 2021
  • Purpose: This study was investigated the mediating effect of coping behaviors in the relationship between the second victim experiences after patient safety incidents and the nursing practice changes. Methods: A cross-sectional survey was performed using structured questionnaires. Participants were 218 clinical nurses in general tertiary hospitals in South Korea. Data were collected through an online survey and snowball sampling from August 11 to September 6 2020. Data were analyzed using SPSS 23.0 program. A mediation analysis was performed using multiple regression and a simple mediation model applying the PROCESS macro with 95% bias-corrected bootstrap confidence interval. Results: The mean scores of second victim experiences was 3.41/5. Approach coping (β = .55, p < .001) and the avoidant coping (β = - .23, p = .001) showed mediation effects in the relationship between second victim experiences and constructive change in nursing practice. Avoidant coping (β = .29, p < .001) showed a mediation effect in the relationship between second victim experiences and defensive change in nursing practice. Conclusion: Coping behaviors has a mediating effect on the relationship between second victim experiences and nursing practice changes. To ensure that nurses do not experience second victim, medical institutions should have a culture of patient safety that employs a systematic approach rather than blame individuals. They also need to develop strategies that enhance approach coping and reducing avoidant coping to induce nurses' constructive practice changes in clinical nurses in experiencing second victims due to patient safety incidents.

Data visualization of airquality data using R software (R 소프트웨어를 이용한 대기오염 데이터의 시각화)

  • Oh, Youngchang;Park, Eunsik
    • Journal of the Korean Data and Information Science Society
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    • v.26 no.2
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    • pp.399-408
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    • 2015
  • This paper presented airquality data through data visualization in several ways and described its characteristics related to statistical methods for analysis. Software R was used for visualization tools. The airquality data was measured in New York city from May to September of year 1973. First, simple, exploratory data analysis was done in terms of both data visualization and analysis to find out univariate characteristics. Then through data transformation and multiple regression analysis, model for describing the airquality level was found. Also, after some data categorization, overall feature of the data was explored using box plot and three-dimensional perspective drawing and scatter plot.

The Association between Family Support, Activities of Daily Living and Depression among Hospitalized Older Patients with Chronic Diseases (만성질환 입원노인의 가족지지 및 일상생활 수행능력과 우울과의 관련성)

  • Kim, Jeong Yi;Ryu, So Yeon;Han, Mi Ah;Choi, Seong Woo
    • Journal of agricultural medicine and community health
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    • v.41 no.1
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    • pp.13-26
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    • 2016
  • Purpose: This study was performed to identify the association between family support, activities of daily living (ADL) and depression among hospitalized older patients with chronic diseases. Methods: This study subjects were 100 elderly patients with chronic diseases including chronic respiratory diseases, diabetes mellitus and et al. in a general hospital. The collected data were patient characteristics, family support, ADL, and depression by structured questionnaire and medical chart review. The used statistical analyses were t-test, analysis of variance, Pearson's correlational analysis and multiple regression analysis. Results: The mean scores of family support, ADL and depression were $49.95{\pm}8.68$, $8.65{\pm}2.65$, $6.66{\pm}3.78$, respectively. The prevalence rate of depression was 64.0%. In simple analysis, the statistically significant associated factors with depression were age, spouse, economic status, social activity, subjective health status, and number of pain. Depression had statistically a significant positive correlation with ADL and a negative correlation with family support. The final result of hierarchial multiple regression analysis (Model 3), the factors related to depression were family support (b=-.135, p<.001), subjective health status (b=2.510, p=.001). Conclusions: It is necessary to develop and apply the program for controlling the depression of elderly patients with health education, reinforcement of supportive systems in hospital. And, further multidisciplinary studies should be done.

The Study of the Relationships among Service Quality, Satisfaction, and Revisit Intention of Franchise Snack Bar - Focused on Busan Area - (프랜차이즈 분식점의 서비스 품질이 고객만족과 재방문 의도에 미치는 영향 - 부산 지역을 중심으로 -)

  • Lee, Soon-A;Lee, Sang-Mook;Hahm, Sung-Pil
    • Culinary science and hospitality research
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    • v.21 no.6
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    • pp.264-279
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    • 2015
  • This study is conducted to investigate the relationships among service quality, satisfaction, and revisit intention of franchise snack bars customers located in Busan. The quality of franchise Korean snack bars' service was estimated by examining three sub-dimensions: service environment factors, interaction factors, and outcome quality factors, which are classified from Brady & Cronin's third-dimensional model. The survey was performed from March 9th to March 13th in 2015. Total 300 questionnaires were distributed and 272 questionnaires were employed for final analysis. SPSS 21.0 program was used to derive the following: factor analysis, reliability analysis, correlation, simple regression and multiple regression analysis. In results, the approachableness such as convenience for access was the most important reason when people choose a franchise Korean snack bar company followed by food taste and reasonable price. In addition, the results indicate that service environment quality, interaction quality, and outcome quality have all positive impact on the customers' satisfaction as well as revisit intention. Specifically, outcome quality have the greatest influence on the satisfaction and revisit intention among three service quality factors. This outcome proves that Korean snack bar franchise companies need to investigate more to improve their outcome quality such as food quality and serving time to satisfy customers. In conclusion, current study confirmed the relationships among service quality, satisfaction, and revisit intention in context of franchise snack bar stores. These results will suggest the snack bar foodservice segmentation as valuable marketing strategic, and that it can be utilized as a fundamental data to establish an efficient business plan in the industry.

Comparative study of working conditions of Korea and Europe (우리나라와 유럽의 근로환경조사 비교연구)

  • Kim, Youngsun;Yang, Wanyoun;Baik, Jaiwook
    • Journal of the Korean Data and Information Science Society
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    • v.27 no.1
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    • pp.45-65
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    • 2016
  • Global competition and unstable economic situation in recent years have brought in adverse working conditions such as proliferation of temporary or part-time workers and new shift system. In this study we use exploratory data analysis method to find the relationship between some of the important variables which are related to working hours in KWCS (Korean Working Conditions Survey) and EWCS (European Working Conditions Survey). Next, working hours are explored in terms of sex, employment type, occupation and industry using 2006, 2010, 2011, 2014 KWCS data as well as 2010 EWCS data. Lastly, respondents are divided into two groups of healthy and nonhealthy workers and their working hours are explored in terms of the same categories as above. Finally, simple regression analysis is used to find the effect of health on weekly working hours and adjustment of the effect of health on weekly working hours is made using multiple regression analysis with some other independent variable such as sex, age and employment type included in the model.

The Associated Factors of Protective Behaviors for Radiation Exposure based on Health Belief Model Honam Province Radiologic Technologists (건강신념모델을 적용한 호남지역 방사선사의 방사선 방어행위 수행도 관련 요인)

  • Yoon, Yo-Sang;Ryu, So-Yeon;Park, Jong;Choi, Seong-Woo;Oh, Hye-Jong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.3
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    • pp.96-107
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    • 2020
  • This study aimed to identify the associated factors of protective behaviors for radiation exposure among some radiology technologists using the Health Belief Model. The subjects of the study were 541 radiology technologists working at hospitals or clinics in Honam Province. Using the SPSS version 18.0 program, data were analyzed using a t-test, ANOVA, Pearson's correlation analysis, and hierarchical multiple logistic regression analysis. To modify the factors, the performance of subjects who had a higher level of education and nuclear medicine rooms were higher than those who worked in simple radiography rooms. The radiation protective behaviors performance of the subjects who had more exercise, medium-level stress, and worked in higher-quality protection facilities was higher. Regarding the personal perceptions, the cues to action (β=.292, p=.0001), and perceived seriousness (β =.075, p=.010) were factors that had effects on the performance of radiation protection behaviors. Regarding the likelihood of action, the benefits (β=.168, p<.0001), self-efficacy (β=.148, p=.007), and the performance of protective behaviors were higher. In conclusion, protection education as a cue to action should be provided to stimulate protective behaviors, and the benefits of protective behaviors should be emphasized. To increase the performance of protection behaviors, self-efficacy should be enhanced, and the subjects are offered appropriate information that helps perceive seriousness.