• Title/Summary/Keyword: T-test analysis

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Effect of servant leadership of dentists on organizational culture and the happiness index of dental hygienists (치과의사의 서번트 리더십이 조직문화와 치과위생사의 행복지수에 미치는 영향)

  • Kim, Na-Yeon;Bae, Hyeon-Suk;Kang, Yu-Min
    • Journal of Korean society of Dental Hygiene
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    • v.18 no.2
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    • pp.253-267
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    • 2018
  • Objectives: The purpose of this study was to examine how the dentist's servant leadership affects the happiness index of dental hygienists. Methods: The subjects were 221 dental hygienists that have been working at dental clinics or dental hospitals. The data were analyzed using SPSS Version 20.0 (IBM Co., Armonk, NY, USA). An independent t-test and one-way ANOVA analysis were conducted to examine the difference in the happiness index of dental hygienists according to general characteristics. The independent t-test was conducted to examine organizational culture and happiness index according to upper and lower group based on the mean score for servant leadership. Pearson's correlation analysis was used to examine the correlation among key factors. Multiple regression analysis was conducted to identify factors influencing the happiness index of dental hygienists. Results: According to the analysis, there was a statistically significant positive correlation between the dentist's servant leadership, the organizational culture and the happiness index of dental hygienists. However, a stewardship of the dentist's servant leadership factors was not found to have any correlation with the market culture. A multiple regression analysis was performed after including the dentist's servant leadership, the organizational culture and the happiness index of dental hygienists. Meanwhile, the stewardship and community-building effect of the dentist's servant leadership had a statistically significant effect on the happiness index of dental hygienists. Consequently, a higher servant leadership factor in dentists was correlated with a higher happiness index of dental hygienists. Conclusions:The findings show that the dentist's servant leadership affect the happiness index of dental hygienists. Therefore, effective intervention and education programs related to the dentist's servant leadership and sound organizational culture are necessary to enhance dental hygienists' happiness index. Additionally, a follow-up study will determine the causal relationship among the dentist's servant leadership, the organizational culture and the happiness index of dental hygienists, considering organizational members and the environment of the dental clinics.

A Study on the Factors Affect on Opticians' Customer Orientation (안경사의 고객지향성에 영향을 미치는 요인에 관한 연구)

  • Choi, Youngro;Park, Inn-Jee
    • The Korean Journal of Vision Science
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    • v.20 no.4
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    • pp.403-411
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    • 2018
  • Purpose : The purpose of this study is to analyze how the certain efforts of the optical shops affect on opticians' job satisfaction and organizational commitment, and to analyze how opticians' job satisfaction and organizational commitment affect on the customer orientation and to suggest the method of maintaining competitiveness. Methods : Two hundred opticians took participations on the surveys via the Internet survey method and social network system (SNS), and SPSS 18.0 statistics program was used for data analysis; frequency analysis, T-test, factor analysis, reliability analysis, and multiple linear regression analysis were conducted. Results : It is analyzed the differences on the job satisfaction and organizational commitment in accordance with type of optical shops, conducting 5 working days/week and flexible time. As a result, higher job satisfaction is presented with 5 working days/week. Relationships with co-workers statistically affect on job satisfaction positively and emotional labor and work overload statistically affect on job satisfaction negatively. In addition, relationships with co-workers and reward statistically affect on organizational commitment positively and emotional labor and work overload statistically affect on organizational commitment negatively. And opticians' job satisfaction and organizational commitment statistically affect on customer satisfaction positively. Conclusion : It is necessary for the optical shops to make an effort for their opticians to improve the job satisfaction and organizational commitment. And to do so, it is needed to form trusting and respecting relationships with co-workers or superiors. In addition, it is necessary to have continuous communication and education for opticians' self-management. Also, it is needed to establish an effective reward system.

Quality of Life Scale for Adults with Developmental Disabilities - Development and Validation - (성인발달장애인의 삶의 질 측정을 위한 척도 개발)

  • Jung, Soyon;Seo, Honglan;Kim, Jeong In
    • 재활복지
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    • v.20 no.4
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    • pp.107-134
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    • 2016
  • The primary purpose of this study is to develop a quality of life scale for adults with developmental disabilities and to test its validity and reliability. For this purpose, the authors generated a initial item pool composed of 62 items based on the conceptual model of Felce and Perry (1995). The initial items were evaluated by three reviewers, and then the items were revised based on their feedbacks. Utilizing a survey questionnaire including the scale items, data on 430 adults with developmental disabilities were collected in collaboration with 33 social welfare agencies and residential facilities for people with disabilities. Through descriptive analysis, correlation analysis, and relevant theories, the qualities of each item were examined, and then the best 20 items were selected. Cronbach's ${\alpha}$ for the final scale was .87. The results of confirmatory factor analysis showed that the 5-factor model fitted the data reasonably well, In addition, criterion validity of each subfactor of the scale was successfully established, employing t-test, one-way ANOVA, and correlation analysis. In discussion, implications and limitations of this study were examined.

The Effects of Family Strengths Perceived by College Students on Self-esteem: Focusing on the Double Mediation of Interpersonal Relationship Ability and Self-Efficacy (대학생이 지각한 가족건강성이 자아존중감에 미치는 영향: 대인관계능력과 자기효능감의 이중매개효과)

  • Shin, Eun-Mi;Lee, Jong-Woo;Lee, Hwa-Sung
    • Journal of Digital Convergence
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    • v.19 no.4
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    • pp.177-183
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    • 2021
  • The purpose of this study was to investigate the double mediation effects of interpersonal relationship ability and self-efficacy in the link between family strengths and self-esteem of college students. To this end, a survey was conducted for 1 month in November 2019, targeting 340 students conveniently sampled from C city in Chungcheongbuk-do and J city in Jeollabuk-do, and the analysis was conducted using SPSS Win. 25 and SPSS PROCESS Macro. The applied statistical techniques were mean comparison analysis (t-test, One-ANOVA), correlation analysis, and PROCESS Macro model No. 6 to analyze the double mediating effect. The main findings of the study are: First, self-esteem was significantly higher in education major than in other majors. Second, as a result of correlation analysis, self-esteem showed a significant positive correlation with family strength, interpersonal relationship ability, and self-efficacy. Third, as a result of the double mediation effect analysis, interpersonal relationship ability and self-efficacy double mediated in the relationship between family strength and self-esteem. The results of this study can be used as basic data to enhance the self-esteem of college students by utilizing interpersonal relationship ability and self-efficacy.

Analysis on Visiting Characteristics and Satisfaction according to Travel Routes of the Hallyeohaesang National Park's Visitors (한려해상국립공원 탐방객의 여행경로에 따른 탐방특성 및 만족도 분석)

  • Sim, Kyu-Won;Jang, Jin
    • The Journal of the Korean Institute of Forest Recreation
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    • v.22 no.4
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    • pp.23-33
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    • 2018
  • The purpose of this research is to develop basic materials useful for the visiting management policies' establishment of national parks by analyzing the characteristics of and satisfaction with the visit to Hallyeohaesang National Park according to travel routes. For this, a total of 671 visitors to Hallyeohaesang National Park were recruited and field surveys were conducted three times in spring, summer, and fall from March to November 2017. The Hallyeohaesang national park's visitors were surveyed using a self-administered questionnaire about visitor characteristics (ex: motivation of visiting, travel routes, travel time, and participating activities, etc.) and satisfaction (ex: satisfaction with the visit, intention to revisit, and intention to recommend). SPSS 21.0 program was used for the statistical analysis: frequency analysis and independent-samples t-test analysis. As a result of analysis the motivation of visiting, those who visited only Hallyeohaesang National Park (a single destination) showed a mean value statistically significantly higher level in health improvement and vacation, relaxation, and healing compared to those who had visited or would visit other places along with Hallyeohaesang National Park (multi-destinations). Single destination visitors spent less time traveling from home to national park than multi-destinations visitors. Those who visited only Hallyeohaesang National Park (as a single destination) showed a mean value statistically higher satisfaction and intention to revisit and recommend. The results of this research have significance in providing basic materials to develop efficient park management policies by studying the characteristics of Hallyeohaesang National Park visitors.

The effects of latent classes in social exclusion on the economic instability of old age (사회적 배제 잠재유형이 노후의 경제적 불안에 미치는 영향: 주관적 계층의식의 조절효과)

  • Kim, Soo Jin;Kim, Ju Hyun;Ju, Kyong Hee
    • 한국노년학
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    • v.40 no.1
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    • pp.33-49
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    • 2020
  • This study was conducted to examine the latent classes in social exclusion and to analyse empirically the effects on the economic instability of old age by this type. And it also sought to look at whether the influence of old age anxiety varies with the subjective class consciousness of the elderly. Using the 14th data from the Korea General Social Survey (KGSS) in 2016, 1,041 adult males and females aged 18 years old were analyzed at the time of the survey. T-test, potential layer analysis (LCA), and multinomantic analysis of potential groups were conducted using the STATA14 and MPLUS 7 statistical programs. Finally, multi-regression analysis was performed to identify the moderate effect and effects among variables. According to the research, the types of social exclusion were three groups, followed by social exclusion group (49.3%), Multi-dimensional exclusion group (30.9%), and active social participation group (19.7%). The social exclusion group has the lowest possibility of economic, employment, and health exclusion, but the exclusion of formal and informal social activities seem to prominent, and the multi-dimensional exclusion group is more than 50% likely to experience exclusion in all areas. Active social participation are characterized by very active participation in informal social activities. By conducting multinominal logistic regression, it was observed that the social exclusion group included more young people than other groups, and that the multi-dimensional exclusion group included many elderly women without spouses. Finally, multiple regression analysis showed that social exclusion type interacts with subjective class consciousness and affects economic anxiety of old age.

Improvement and Promotion Plan for the Screen Baseball Utilization (스크린야구 이용의 개선 및 증진방안)

  • Koo, Soo-Yong;Jeon, Yong-Bae;Choi, Eui-Yul
    • 한국체육학회지인문사회과학편
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    • v.54 no.4
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    • pp.363-372
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    • 2015
  • The purpose of this study was to suggest marketing plan to improve and promote screen baseball utilization, applying Importance-Performance Analysis (IPA) incorporating marketing mix 4Cs; Customer value, Convenience, Cost, and Communication. A convenience sample was made up of 267 users in screen baseball clubs located in metropolitan area. Evidence on validity and reliability of the data was obtained through exploratory factor analysis and internal consistency analysis. Frequency analysis and paired sample t-test for the difference verification of IPA were conducted also in SPSS version 21.0 with .05 of significance level. The main results of the study were as follows. First, there were partially significant differences between importance and satisfaction regarding the sub-categories of Customer value and Convenience. Second, there were all significant differences between importance and satisfaction regarding the sub-categories of Cost and Communication. Third, as the results regarding IPA, quadrant I indicating 'Keep up Good Work' included healthy use of leisure time, improvement of self-achievement, accessibility, communication between service user and provider, etc. Fourth, quadrant II indicating 'Concentrate Here' included diversification of screen baseball program, cost regarding facility use, etc. Fifth, quadrant III indicating 'Low Priority' included interpersonal relationship, subsidiary facilities, cost of food and beverage, etc. Lastly, quadrant IV indicating 'Possible Overkill' included improvement of physical health and life satisfaction and rules and procedures of screen baseball.

The effect of competition anxiety on injury psychology according to the athletic career of tennis athletes in Chinese universities (중국 대학 테니스 운동선수 운동경력에 따른 경쟁불안이 상해심리에 미치는 영향)

  • Han Yahui;Duan Mingtao;Lee Jaewoo
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.2
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    • pp.349-355
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    • 2023
  • This study attempted to investigate the effect of competitive anxiety on injury psychology according to the athletic career of tennis athletes at Chinese universities. To study the method, 208 athletes enrolled in a four-year university (0 university, 0 university) located in A City, Hanam Province, were surveyed for a total of three weeks from the end of January to the beginning of February 2023. To verify the research model, frequency analysis, exploratory factor analysis, reliability analysis, and correlation analysis were conducted using SPSS Statistics 25. And independent sample t-test and one-way ANOVA were conducted to find out the differences in variables according to general characteristics, and multiple regression analysis was conducted to verify hypotheses through the concept of measurement. As a result of the study, first, it was found that there was a significant difference in the athletic career of tennis athletes at West China University. Second, the non-standardized coefficient of competition anxiety was found to have a positive (+) effect on exercise weaponry. Third, the non-standardized coefficient of competition anxiety was found to have a positive (+) effect on anxiety and anxiety. Therefore, it was found that other competitive anxiety in the exercise career had an effect on injury psychology. Since competition anxiety according to the athletic career of tennis athletes at Chinese universities affects injury psychology, it suggests that a psychological program that can control competition anxiety and injury psychology of athletes should be developed and introduced to athletes.

The Impact of Building a Radiation Social Safety Network on Citizens' Safety Awareness and Establishment of Safety Culture (방사선 사회안전망 구축이 시민의 안전의식과 안전 문화 정착에 미치는 영향 분석)

  • Jung-Hoon Kim;Yeon-Hee Kang
    • Journal of the Korean Society of Radiology
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    • v.17 no.5
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    • pp.791-800
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    • 2023
  • This study was conducted to lay the foundation for creating a society safe from radiation by investigating the establishment of a radiation social safety net and the establishment of safety awareness and safety culture among citizens living in Busan. Data was collected through an online survey, and 200 copies of the survey were analyzed. Data were analyzed using SPSS Window Ver 28.0. To verify differences between groups, t-test and one way ANOVA were performed, and correlation analysis was performed to confirm the relationship between variables. In addition, multiple linear regression analysis was conducted to confirm the influence between variables. As a result, first, in terms of building a social safety net, citizens' safety awareness, and establishing a safety culture, the scores of the group with male gender, age in 20s, and high school graduation were found to be high. Among them, there was a statistical difference in gender at the significance level of .01 for building a social safety network and at the significance level of .05 for establishing a safety culture. In terms of occupation, there was a statistical difference between professionals and service workers at the significance level of .05 regarding the building of a radiation social safety network. Second, as a result of multiple regression analysis, it was found that 'local government radiation safety education', a subordinate factor in building a radiation social safety network, had a positive effect on citizens' safety awareness and establishment of a safety culture. Third, the results of the correlation analysis between the building of a social safety network, citizens' safety awareness, and establishment of a safety culture showed a positive correlation. Therefore, it is believed that a good radiation social safety network will have a positive impact on citizens' safety awareness and the establishment of a safety culture.

A research on EEG coherence variation by relaxation (이완에 따른 EEG 코히런스 변화에 대한 연구)

  • Kim, Jong-Hwa;Whang, Min-Cheol;Woo, Jin-Cheol;Kim, Chi-Joong;Kim, Young-Woo;Kim, Ji-Hye;Kim, Dong-Keun
    • Science of Emotion and Sensibility
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    • v.13 no.1
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    • pp.121-128
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    • 2010
  • This study is to analyze change of connectivity between brain positions caused by relaxation through EEG coherence. EEG spectrum analysis method has been used to analyze brain activity when relaxation was experienced. However, the spectrum analysis method has a limit that could not observe interactive reaction between brain-functional positions. Therefore, coherence between positions was analyzed to observe connectivity between the measurement positions in this study. Through the method, the reaction of the central nervous system caused by the emotion change was observed. Twenty-four undergraduates of both genders(12 males and 12 females) were asked to close their eyes and listen to the sound. During experiment, EEG was measured at eight positions. The eight positions were F3, F4, T3, T4, P3, P4, O1, and O2 in accordance with International 10-20 system. The sounds with white noise and without were used for relaxation experience. Subjective emotion was measured to verify whether or not they felt relaxation. Subjective emotion of participants were analyzed by ANOVA method(Analysis of Variance). In the result, it was proved that relaxation was subjectively evoked when participants heard sound. Accordingly, it was proved that relaxation could be enhanced by the mixed white noise. EEG coherence between the measurement positions was analyzed. T-test was performed to find its significant difference between relaxation and not-relaxation. In the results of EEG coherence, connectivity with occipital lobes has been increased with relaxation, and connectivity with parietal lobes has been increased with non-relaxed state. Therefore, brain connectivity has shown different pattern between relaxed emotion and non-relaxed emotion.

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