Purpose: This study examined the effects of cognitive-behavioral therapy on problem-solving ability and dysfunctional attitudes in undergraduate students. Method: This study was conducted between September 2004 and May 2005. The subjects consisted of 23 undergraduate students. The experimental group (n=13) participated in a cognitive-behavioral therapy that consist of 8 session over an 8-week period. The control group (n=10) participated in a reality therapy that also consisted of 8 sessions over an 8-week period. Problem-solving ability and dysfunctional attitudes were measured for all subjects before and after therapy. These data were analyzed by unpaired t-test and t-test with the SAS program. Results: Following cognitive-behavioral therapy, the experimental group experienced a significant decrease in score of problem-solving ability and in approach-avoidance style (the subscale in the problem-solving ability). There were no changes in these values after the reality therapy in control group. Conclusions: In light of these results, cognitive-behavioral therapy has a positive effect on problem-solving ability in undergraduate students.
Journal of Korean Academy of Fundamentals of Nursing
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v.11
no.1
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pp.67-73
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2004
Purpose: The purpose of this study was to investigate the knowledge of diabetes and insulin use in patients with type 2 diabetes. Method: Participants (139) were recruited from the endocrinology outpatient department of a tertiary care hospital in an urban city. Knowledge of diabetes knowledge was measured by a brief diabetes knowledge test which had two components: a 14-item general test and a 9-item insulin-use subscale. Result: The average scores for knowledge of diabetes and insulin were 62.4 and 41.8 respectively. Scores were lower for items on the definition of glycosylated hemoglobin, diabetic diet, signs of ketoacidosis, and insulin reaction compared to other items. Knowledge scores were significantly lower for older participants, those who had lower levels of education, those who did not have a spouse, those who did not have a job, those who were not being treated with insulin, and those who tested their blood glucose less than 3 times a day. Conclusion: Definition of glycosylated hemoglobin, diabetic diet, signs of ketoacidosis, and insulin reaction should be included in education for patients with type 2 diabetes. Special education programs should be developed for elderly people, those with low levels of education those without a spouse, or without a job, or who are not being treated with insulin.
Objective: The purpose of this study is to test the psychometric properties of the Maternal Emotion Coaching Questionnaire (MECQ, Lim et al., 2018) in order to measure emotion coaching in mothers of preschoolers. Methods: A total of 316 preschoolers and their mothers participated in this study. Maternal emotion coaching was assessed by self-report and child emotion regulation ability was evaluated by the teacher. Data were analyzed with chi-square tests, reliability analysis, confirmatory factor analysis, latent profile analysis, and F-test. Results: Each item of the MECQ showed proper discriminative power. The MECQ and each subscale demonstrated adequate internal consistency and split-half reliability. Evidence of construct validity was provided by confirmatory factor analysis. The five-factor model including maternal attention, awareness, acceptance, empathy, and guidance showed a good fit. Results of the latent profile analysis revealed three profiles of emotion coaching: excellent, good, and poor. Preschoolers with mothers in the poor coaching profile showed significantly lower emotion regulation ability compared to those in the excellent or good coaching profiles, which suggested discriminative validity of the MECQ. Conclusion/Implications: The MECQ presents a reliable and valid tool to assess emotion coaching in mothers of preschool children and can thus be effectively used for mothers of preschoolers.
Purpose: This study aimed to develop a scale to measure hospital nurses' silence behavior and examine its validity and reliability. Methods: A total of 52 preliminary items on hospital nurses' silence behavior were selected using a content validity test by seven experts on 53 candidate items derived from a literature review and in-depth interviews with 14 nurses. A total of 405 hospital nurses participated in a psychometric testing. Data analysis comprised item analysis, exploratory and confirmatory factor analyses, and convergent and discriminant validity tests. Pearson's correlation coefficient was used for assessing concurrent validity, and Cronbach's alpha was used for the reliability test. Results: The final scale consisted of nine factors with 31 items, exhibiting acceptable model fit indices, convergent validity, and discriminant validity. The score of the entire scale was positively correlated with the 'Organizational Silence Scale (OSS)-the issues on which nurses remain silent' (r = .60, p < .001) and 'OSS-the reasons why nurses remain silent' (r = .68, p < .001). Cronbach's α of the scale was .92, and α of each subscale ranged from .71 to .90. Conclusion: The Hospital Nurses' Silence Behavior Scale is a useful tool for assessing multifaceted silence behavior among nurses. It can provide basic data for developing better communication strategies among nurses and other hospital staff.
Journal of Korean Academy of Fundamentals of Nursing
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v.19
no.3
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pp.322-333
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2012
Purpose: The purpose of this study was to evaluate the effects of a newly developed Introduction to Clinical Nursing (ICN) program on critical thinking skills, communication competence, self-efficacy, and clinical performance self-confidence in nursing students in their third year. Methods: One group pre-test and post-test design was used with three data collection time points (pre-test, post-test1 and post-test2). Participants were 74 third year nursing students approaching their first clinical practicum. The new program included (a) simulated clinical encounters regarding situations of assessing hospitalized patents and caring for patients with oxygenation needs, (b) objective structured clinical examination of skills, (c) lectures, and (e) field trips. Data were analyzed using paired t-tests. Results: After the ICN course, critical thinking skills(significant only between pretest and post-test2), communication competence, and clinical performance self-confidence improved significantly (p<.05). There was no improvement in the self-efficacy total score but there was significant improvement in the subscale, self-regulatory efficacy. Conclusions: The study results indicate that the ICN course may be effective in increasing critical thinking skills, communication competence, and clinical performance self-confidence in nursing students. However, the effect size was very small and modifications of this program should be considered to develop more cost-effective educational programs.
Proceedings of the Korean Society of Propulsion Engineers Conference
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2008.03a
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pp.109-114
/
2008
This paper presents the development status of a subscale precooled turbojet engine "S-engine" for the hypersonic cruiser and space place. S-engine employs the precooled-cycle using liquid hydrogen as fuel and coolant. It has $23cm{\times}23cm$ of rectangular cross section, 2.6 m of the overall length and about 100 kg of the target weight employing composite materials for a variable-geometry rectangular air-intake and nozzle. The design thrust and specific impulse at sea-level-static(SLS) are 1.2 kN and 2,000 sec respectively. After the system design and component tests, a prototype engine made of metal was manufactured and provided for the system firing test using gaseous hydrogen in March 2007. The core engine performance could be verified in this test. The second firing test using liquid hydrogen was conducted in October 2007. The engine, fuel supplying system and control system for the next flight test were used in this test. We verified the engine start-up sequence, compressor-turbine matching and performance of system and components. A flight test of S-engine is to be conducted by the Balloon-based Operation Vehicle(BOV) at Taiki town in Hokkaido in October 2008. The vehicle is about 5 m in length, 0.55 m in diameter and 500 kg in weight. The vehicle is dropped from an altitude of 40 km by a high-altitude observation balloon. After 40 second free-fall, the vehicle pulls up and S-engine operates for 60 seconds up to Mach 2. High altitude tests of the engine components corresponding to the BOV flight condition are also conducted.
Lee, Heon-Jeong;Jeon, Hye-Yeon;Kim, Yong-Ku;Suh, Kwang-Yoon;Kim, Leen
Sleep Medicine and Psychophysiology
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v.10
no.1
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pp.61-66
/
2003
Objectives: The purpose of this study is to investigate the relationship between the extent of prolongation in P300 latency by sleep deprivation and personality variables. Methods: Eighteen healthy male college students participated in this study. Subjects remained awake for 37 hours under continuous surveillance. In the morning and evening of two consecutive study days, P300 was checked four times. MMPI and STAI-T were checked in the morning of the first day. The 18 subjects were divided into two groups according to their extent of P300 prolongation by sleep deprivation: Group A consisted of short P300 latency prolonged subjects, and group B of long latency prolonged subjects. The MMPI profiles and STAI-T scores of these two groups were compared. Results: Group B showed significantly higher scores in the Mf subscale (t=-2.16, df=16, p=0.046) and Pa subscale (t=-2.61, df=16, p=0.019) than group A. Group B also showed higher F subscale scores at a marginally significant level (t=-2.11, df=16, p=0.052). Conclusion: These results suggest that subjects with higher scores in F, Mf, and Pa subscales tend to have delayed cognitive process and decreased efficiency of mental process by sleep deprivation. It can be hypothesized that individuals who are sensitive, passive, dependent, and easily projecting are susceptible to the deterioration of cognitive function by total sleep deprivation.
Purpose: The aim of this study was to assess vision-related quality of life and modes of refractive error correction. We administered NEI-VFQ (National Eye Institute Visual Function Questionnaire) to 137 subjects in two modes of refractive error correction: spectacles and contact lens wearers. The NEL-VFQ was developed to assess vision-related quality of life with respect to 1) visual symptoms 2) social function as well as difficulty with tasks and symptoms 3) economic issues and health concerns 4) psychological well-being. The NEL-VFQ was translated from English into Korean. Methods: All data were analyzed using SAS 8.0. Student's T-test was conducted to determine significant differences in each of the subscale (${\alpha}=0.05$). Result: The Peripheral Vision subscale score ($mean{\pm}SD$) was $52.2{\pm}32.7$ for the spectacle wearers, $88.6{\pm}18.1$ for contact lens wearers; the spectacle wearers' Peripheral Vision score was significantly lower than contact lens wearers (p=0.0001). There were also significant differences between two groups detected in Color Vision (p=0.001), General Vision (p=0.01) and Health Perception (p=0.01). Conclusion: Contact lens wearers and spectacle wearers were mostly high vision-related quality of life except General Vision and Health Perception. Especially, contact lens wearers were higher vision-related quality of life than spectacle wearers. Further studies on developing of good quality of contact lens will be needed to improve quality of life in ametropia.
This longitudinal quasi-experimental research was conducted to develop parent role education program and to evaluate the effect of this program for mother-infant interaction, childrearing environment and infant development. The subjects were the healthy infants weighing over 2,500gm at birth, whose gestational age was more than 37weeks, and their healthy mothers. The sample consisted of eighteen mother-infant dyads for intervention group and sixteen dyads for control group. Data were collected from March 15th in 1999 to Jun 20th in 2000. The intervention group received programmed education consisted of discharge education, telephone counselling, and home visiting care. But control group were collected data without programmed education. In this study, the Nursing Child Assessment Teaching Scale(NCATS) devised by Barnard was used to determine the mother-infant interaction, HOME was used to determine the childrearing environment, and Griffiths mental development scale was used to determine the infant development. The data were analyzed using SPSS Win using chi-square test, t-test, and repeated measure ANOVA. This study was focused on the results of twelve months time point. Summaries of the results were as follows: 1. There was no significant difference in mother-infant interaction(NCATS) between intervention group and control group. But both of two groups showed significantly higher in interaction score at twelve months than at six months in the subscales of social-emotional growth fostering, and responsiveness to caregiver. 2. There was no significant difference in childrearing environment(HOME) between two groups at twelve months. But when each subscale of HOME was examined, intervention group showed higher scores in the dimensions of maternal involvement with child(p=.001), and maternal emotional-verbal responsivity(p=.048). 3. There was no significant difference in GQ of the Griffiths mental development scale between two groups, although significant difference was found in performance subscale. 4. Infant development at twelve months showed significant correlation with mother-infant interaction and childrearing environment at six months, although mother-infant interaction and childrearing environment at twelve months did not show significant correlations with infant development at twelve months. 5. Developmental scores at six months showed significant correlations with variety in daily stimulation, and mother's emotional, verbal responsivity, whereas developmental scores at twelve months showed significant correlations with acceptance of child behavior at six months, and appropriate play material at twelve months. In conclusion, the maternal education program for primipara showed long term effect in some categories in organizing the childrearing environment, and fostering the infant development. We suggest further study and implications of parent role education program for high risk parents such as parents in low economic status or with premature babies.
The study is to compare the temperaments and characters of the gifted in invention with those of the genearl students, and also the characteristics of the subgroups of the gifted in invention through the LPA analysis. The results of the study are as follows: First, we compared the results of JTCI (Junior Temperament and Character Inventory) between the students entering Institute of Invention Science Education and the general students; through this comparison, we found out that the gifted in invention are more creative and willing to accept, generally feel more positive, and have the motivation to pursue meaningful goals and values above the personal needs than the non-gifted. Second, through the LPA analysis, the gifted in invention were divided into two subgroups; one group which showed far higher scores on pursuing stimulus, the subscale of temperaments, and slightly higher scores on autonomy, the subscale of characters, and the other group which showed the similar scores on pursuing stimulus and far higher scores on autonomy.
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