• 지역사회간호학회지
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• 제13권4호
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• pp.618-628
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• 2002

The purposes of this study were to identify patterns and trends of nursing studies of workers' stress conducted in Korea over the last two decades, and to suggest the direction of future research activities. Research studies of workers' stress were collected from the abstract and the title lists of studies using internet search. The total number of studies used for this study was 118. The analysis of these studies showed that the studies of workers' stress have increased rapidly since 1995, but most of them were non-experimental design studies. They tended to be conducted more on nurses, and used confusedly in stress terms. Instruments developed by the authors were the most popular. Moreover, the organizational variables of the stress-related concept were barely used except nurses' stress. Therefore, it was needed to identify and clarify the terms of stress among the authors, and to develop the workers' stress management programs and examine their effects. Especially studies that include the organizational variables of workers' stress need to be done in the future.

• 대한간호학회지
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• 제35권8호
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• pp.1485-1492
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• 2005

Purpose. The present study aims to verify the effectiveness of the reality therapy for patients with schizophrenia. Methods. It is designed as a quasi-experimental study by which a nonequivalent control group pretest-posttest is conducted. The test was conducted with 30 patients with schizophrenia who were hospitalized at a mental hospital in South Korea. Fifteen of the patients participated in the reality therapy program while another 15 in the control group. The effects are measured by marking scores in the areas of the locus of control, self-esteem, and problem-focused stress coping of each participant. Results. The general characteristics and dependent variables related to outcome variables were controlled to be equal between the two groups. It turns out that the internal locus of control, self-esteem, and problem-focused stress coping are statistically significant. Conclusion. Findings show that the reality therapy caused positive changes in terms of the internal locus of control, self-esteem, and problem-focused stress coping of the observed schizophrenic patients.

• 한국보육지원학회지
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• 제13권4호
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• pp.1-17
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• 2017

Objective: The purpose of this study was to examine the relationships among young children's temperament, emotional regulation, and their mother's parenting stress. This study also analyzed the mediating effect of mother's parenting stress on the relationship between the other two variables. Methods: A total of 304 mothers with young children that lived in Gwangju and Jeollanamdo participated in this study. The data were analyzed using Pearson's correlation coefficient, hierarchical multiple regression analysis, and the Sobel test. Results: The main results are as follows. First, adaptability temperament was positively correlated with children's emotional regulation and negatively correlated with mother's parenting stress. There was no statistically significant relationship between activity temperament and other variables, whereas regularity temperament had only a significant relationship with emotional regulation. Second, it was found that mother's parenting stress partially mediated between children's adaptability temperament and emotional regulation. Conclusion: The results of this study imply that mother's parenting stress is a very important factor on young children's emotional regulation. Also, the present study suggests that children's adaptability temperament and mother's parenting stress should be considered together in order to improve young children's emotional regulation.

• 가정과삶의질연구
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• 제23권2호
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• pp.127-136
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• 2005

This study had a three fold-research purpose. The first research purpose was to understand parenting issues the families with one child are facing. The second purpose was to examine any differences in variables of interest in this study between the two subgroups of this study sorted by maternal employment status. Finally, this study examined which variables of interest in this study predict maternal self-efficacy. The variables of interest in this study included: 1) family demographic variables, 2) maternal self-efficacy, 3) parenting stress, 4) maternal satisfactions with contextual factors, and 5) maternal perceptions of effectiveness of birth-rate promotion policies. The sample consisted of 276 mothers selected from the one child families and the mothers sampled were asked to fill out the self-administered surveys which had been developed for the purpose of this study. The main results of this study were as follows. Overall, the mothers of this study did not have high levels of maternal self-efficacy, when SES of this sample was taken into consideration. Non-working mothers had higher levels of maternal self-efficacy than working mothers. No significant differences were found in parenting stress levels between the two subgroups. There were significant group differences in maternal perceptions of the effectiveness of birth- rate promotion policies. Furthermore, a wide range of variables was found to be a significant predictor of maternal self-efficacy. Implications were discussed.

• 보건의료산업학회지
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• 제6권3호
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• pp.141-155
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• 2012

The purpose of this study is to analyze the effects of job stress on job attitude among nurse practitioners, determine moderating effects of perceived organizational support in this process, and provide preliminary data to devise a scheme for managing job attitude effectively in nursing manpower. The research model was composed of 7 sub-variables of job stress, which was a independent variable; job attitude, which was a dependent variable, was divided into job satisfaction and organizational commitment; and variables of moderating effects included perceived organizational support. The data for empirical analysis of the model were collected from 300 nurses working in one university hospital and two general hospitals in Busan by using structured self-administered questionnaires. The main results of empirical analysis were as follows: Perceived organizational support was effective in preventing job stress from worsening job attitude. Moderating effects of perceived organizational support were found to exist in relations between job stress and organizational commitment. These results imply that a sense of organizational support has both direct and moderating effects on job attitude and can be a good means of managing job attitude.

• 한국전문물리치료학회지
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• 제30권3호
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• pp.184-193
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• 2023

Background: Studies investigating the immediate effects of a single intervention to correct forward head posture are rare. Objects: This study aimed to compare the changes in treatment effects in patients with forward head posture and neck pain after manual and self-exercise therapy over a 1-hour period. Methods: Twenty-eight participants were randomly divided into manual and self-exercise therapy groups. Following the initial evaluation, manual or self-exercise therapy was applied to each group for 30 minutes each in the prone, supine, and sitting positions. The variables measured were the craniovertebral angle (CVA), stress level, pain level, and sternocleidomastoid (SCM) stiffness. After the intervention, re-evaluation was conducted immediately, 30 minutes later, and 1 hour later. Two-way analysis of variance (ANOVA) was used to compare the maintenance of treatment effects between the two groups. Results: Based on the two-way mixed ANOVA variance, there was no interaction between the groups and time for all variables, and no main effects were found between the groups. However, a significant effect of time was observed (p < 0.05). Post hoc tests using Bonferroni's correction revealed that in both groups, the CVA, pain, and stress showed significant improvements immediately after the intervention compared with before the intervention, and these treatment effects were maintained for up to 1 hour after the treatment (p < 0.0083) in the manual therapy group. However, the stress level was maintained until 30 minutes later (p < 0.0083) in the self-exercise group. There was no significant decrease in right SCM stiffness before and after the intervention; however, left SCM stiffness significantly decreased after the self-exercise intervention (p < 0.0083). Conclusion: Both manual and self-exercise therapy for 30 minutes were effective in reducing forward head posture related to the CVA, pain, and stress levels. These effects persisted for at least 30 minutes.

• 대한간호학회지
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• 제46권2호
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• pp.194-206
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• 2016

Purpose: The purpose of this study was to examine a Korean Mindfulness Based Stress Reduction (K-MBSR) program for middle aged women and to verify the program's effectiveness on stress, stress coping style, depression, anger and sleep. Methods: Fifty-two women aged from 40 to 59 (26 in the experimental group and 26 in the control group) from G city participated in the study. Data were collected from February 13 to April 3, 2013. The experimental group received 8 sessions, scheduled once a week, with each session lasting two and a half hours. Outcome variables included stress, stress coping style, depression, anger, sleep and a physiological measure (EEG). Results: There were significant decreases for stress (t=-2.14, p=.037), depression (t=-2.64, p=.011), state trait anger (t=-3.79, p<.001) in the experimental group compared to the control group. Conclusion: The findings in this study indicate that the K-MBSR program is an effective program to decrease stress, depression, and state trait anger in middle aged women.

• 콘크리트학회지
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• 제7권1호
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• pp.117-125
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• 1995

철근과 콘크리트의 부착성능에 영향을 미치는 인자들을 평가하기 위하여 부착실험을 수행하였다. 주요변수로는 콘크리트의 압축강도($f_c$'=340, 460, 650, $904kg/cm^2$), 콘크리트의 피복두께(25, 38, 51, 105, 110mm), 철근의 직경(D13, D22)으로 하였으며 구속철근의 효과와 철근간격은 고려하지 않았다. 철근이 일축인장력을 받을 때 철근의 전 부착길이에 걸쳐 응력이 일정하다는 가정하에 32개의 실험체를 제작, 실험하였다. 각 실험체별로 파괴모드를 고찰하였고, 부착응력.변위관계를 통하여 변수의 영향을 평가하였으며, 실험결과에 다른 최대부착응력을 ACI 규준의 상한선($700kg/cm^2$)을 초과하여도 부착응력 및 최대 부착응력이 증가하는 것으로 나타나 콘크리트 압축강도 상한선을 초과하는 경우 정착길이 산정시 압축강도 증가에 따른 영향을 고려하여야 하는 것으로 나타났다.

• 디지털융복합연구
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• 제17권11호
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• pp.395-407
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• 2019

본 연구는 대학생의 스트레스, 자기효능감, 자기통제력이 스마트폰 중독에 미치는 영향에 대한 구조모형을 검증하고자 시도되었다. 연구대상은 G시와 P시에 재학중인 대학생 440명으로 자가설문지를 이용하여 자료를 수집하였다. 연구결과 첫째, 스마트폰 중독에 가장 큰 영향을 미치는 변수는 자기통제력으로 나타났고 그 다음 스트레스 순이었으며, 두 변인의 스마트폰 중독에 대한 설명력은 34% 였다. 둘째, 자기통제력에 자기효능감은 정적 영향을 미쳤고 스트레스는 부적 영향을 미쳤으며, 두 변인 모두 자기통제력을 통한 스마트폰 중독에 간접효과가 있는 것으로 나타났다. 스마트폰 4시간미만 사용집단과 4시간이상 사용집단 간의 조절효과에서 스트레스와 스마트폰 중독의 경로계수와 자기효능감과 스마트폰 중독의 경로계수에서 집단간 차이가 있어 부분조절효과가 있었다. 따라서 스마트폰 중독을 감소시키기 위해서는 스트레스를 줄이고 자기통제력과 자기효능감을 높일 수 있는 방안모색이 중요하며, 특히 개인별 상황에 맞는 다양한 프로그램 개발 및 맞춤식 교육중재방안이 필요할 것으로 사료된다.

• 한국군사과학기술학회지
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• 제4권1호
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• pp.246-254
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• 2001

The breech system can be considered as a pressure vessel with an internal plug under high explosive pressure. The system consists of a breech block(internal plug) whose front surface subjects to pressure, and a breech ring(pressure vessel). There is the geometric discontinuity around roots of connection parts and then stress concentration is introduced due to pressure, where contact effect may be ignored because contact plane between two equipments is parallel ideally, Generally high stress concentration phenomena shorten the life cycle of the mechanical system. It is well known that shock load is much more harmful on safety of the system than static load. In this present paper, several geometric design variables which may affect stress condition on the system are chosen and the parametric study on the design variables is carried using commercial FEM codes. Finally, the obtained results in the single lug breech system are applied to design the 3 lugs breech system. The 3 lugs breech system can reduce the maximum stress level.