• Journal of the Institute of Electronics Engineers of Korea SC
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• v.49 no.3
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• pp.38-46
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• 2012

Atrial fibrillation is needed to be detected at paroxysmal stage and to be treated. But, paroxysmal atrial fibrillation ECG is hardly obtained with 12-lead electrocardiographs but Holter systems. Presently, the averaged beat subtraction(ABS) method is solely used to estimate atrial fibrillatory waves even with somewhat large residual error. As an alternative, in this study, we suggested an ESAF(event-synchronous adaptive filter) based algorithm, in which the AF ECG was treated as a primary input and event-synchronous impulse train(ESIT) as a reference. And, ESIT was generated so to be synchronized with the ventricular activity by detecting QRS complex. We tested proposed algorithm with simulated AF ECGs and real AF ECGs. As results, even with low computational cost, this ESAF based algorithm showed better performance than the ABS method and comparable performance to algorithm based on PCA(principal component analysis) or SVD(singular value decomposition). We also proposed an expanded version of ESAF for some AF ECGs with multi-morphologic ventricular activities and this also showed reasonable performance. Ultimately, with Holter systems including our proposed algorithm, atrial activity signal can be precisely estimated in real-time so that it will be possible to calculate atrial fibrillatory rate and to evaluate the effect of anti-arrhythmic drugs.

• Korean Security Journal
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• no.58
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• pp.59-80
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• 2019

Recently, our company has entered the modern knowledge company, government policy and regulation has a big influence on people's lives. Also, unlike in the past, I am hoping for administrative intervention as a problem peculiar to the environment, such as environmental housing problems, urban transportation problems, misuse problems, etc. and corporate pending issues. In this study, through the 10th year of the Seoul Special Citizen Judicial Police Force, if the local autonomy is a special envoy, it will try to present the correctness in the organization luck. As a measure to secure the nature of administrative action, the method of investigation was through the study of the execution process of administrative penalty and its result based on the statistical data of Seoul City. Therefore, we will analyze the process and operation of the 10-year organizational change of the Seoul Metropolitan Government's police force and examine how the police force of the people's livelihoods, which is a special investigation organization, is expanding its duties in order to strengthen the enforcement power of the administration. Also, we will make future-oriented suggestions to encourage the readjustment of the current relevant laws, such as the Ministry of Patriots and Veterans Affairs, and to actively accommodate the expected changes of the special law police organization in charge of the enforcement of the police system.

• Korean Journal of Social Welfare
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• v.56 no.1
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• pp.103-126
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• 2004

The court-mandated spouse abusers with drinking problems not only resist and complain about taking the court-mandate but also have the low motivation to change their problem drinking and violent behaviors. Therefore, in this study the program is developed to decrease violent behaviors of spouse abusers with drinking problems. Also, the usefulness of this program is examined by quantitative and qualitative methods. The results are as follows: The experimental group's pre-to-post variation is decreased by significant level statistically more than the comparison group's variation in drinking problems. Regarding violent behaviors among groups, the experimental group's pre-to-post and pre-to-followup variation are decreased significantly. It is assumed that Motivation Enhancement Therapy(MET) influences the differences of motivation to change violent behaviors in both groups. The reason is that MET is considered to have influences on the group's dynamics and interaction. Also, it is helpful to change the negative emotions to the positive emotions and to stimulate the group interaction and the participation. This study will be contributed to promote the speciality on providing services for family in a domestic violence in Korea. Through this study, I suggested future implications in research, practice, and political side on spouse abusers with drinking problems.

• Korean Journal of Social Welfare
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• v.61 no.2
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• pp.277-301
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• 2009

The purpose of this study is to examine those factors affecting Male Abusive Behavior on Intimate Female Partner Violence. The primary aim of this study is to determine the association between Intimate Partner Violence and coping strategies of male abusive behavior. The sample included 121 male abusive behavior who are referred by Counsel for Family Violence. For statistical analysis, descriptive statistical methods and hierarchical multiple regression were employed. Results indicated that male abusive behavior expressed more aggressive cognitive biases and irrational beliefs than nonviolent men. Both of problem-solving and avoidance coping to deal with relationship conflicts were related to abusive behavior of male. Specially, men who used higher levels of avoidance coping strategies was more likely related to physical abuse, less use of problem-solving coping was related to psychological abuse. Hostility and low marital satisfaction have also been associated with Intimate Partner Violence. Drinking is a risk factor for psychological abuse. Results are discussed implication for developing theoretical and interventional meanings of social welfare practice.

• Journal of Digital Convergence
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• v.16 no.7
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• pp.299-308
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• 2018

This study was conducted to examine the mediating effect of executive function deficiencies on the relationship between smartphone addiction and memory impairment and to suggest treatment implications for adults with smartphone addiction symptoms. For this study, 300 adults(146 males and 154 females) were conducted smartphone addiction scale, Barkley Deficits in Executive Functioning Scale-Short Form(BDEFS-SF), and Multifactorial Memory Questionnaire(MMQ). The results are as follows. First, correlation analyses showed that smartphone addiction, executive function deficiencies, and memory impairment were positively correlated. Second, Smartphone addiction group showed significantly higher scores on all of the subfactors of executive function and memory impairment. Third, Stepwise regression analyses revealed that self-organization/problem solving, self-management to time, self-restraint, and withdrawal were the best predictors of memory impairment. Forth, Executive function deficiencies fully mediated the relationship between smartphone addiction and memory impairment. These findings were considered to suggest that treatment programs for smartphone addiction group needed to include training for cognitive improvement such as executive function rehabilitation.

• 사회경제평론
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• v.31 no.3
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• pp.307-346
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• 2018

Gunnar Myrdal has struggled throughout his academic life with the problem of the role of valuations in social sciences. His earlier viewpoint was that valuations should be completely separated from scientific analysis on facts. But he soon fundamentally changed his viewpoint. His later viewpoint was that social scientists should disclose his valuations, for valuations intervene all the processes of scientific researches. Value premises are the valuations coherently reconstructed and manifestly articulated. Myrdal argued that social scientists should disclose value premises and perform his analysis and normative judgement based on the value premises. And the value premises should be derived from the valuations held by the large or significant groups of the society under study, not from the researcher's own valuations. This paper tried to show that Myrdal's later viewpoint must meet the crux, that researcher's own viewpoint must intervene in choosing valuations of particular group among diverse groups in the society under stduy, and in deriving and reconstructing value premises from the valuations of that group. And it argued that the reason why Myrdal met the crux could be explained by that he accepted the emotivism of Axel $H{\ddot{a}}gersr{\ddot{o}}m$. And it proposed some methodological solutions for escaping the crux Myrdal met, while preserving the positive elements of Myrdals' viewpoint.

• Journal of Convergence for Information Technology
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• v.11 no.10
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• pp.239-249
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• 2021

The purpose of this study is to verify the mediating effects of psychological flexibility on the relationship between emotional dissonance and mental health(depression, anxiety, somatic symptoms) in university administration staff. For this study, a sample of 191 university administration staff completed the questionnaires. The data was analyzed using the SPSS program and Sobel Test. The results of the analysis are as follows: 1. Most of the university administration staff had difficulties with emotional dissonance(52.36%), depression(47.12%), anxiety(58.12%), and somatic symptoms(62.83%). 2. The risk group of emotional dissonance had a significantly higher level of depression, anxiety and somatic symptoms compared with the normal group. 3. Emotional dissonance and psychological flexibility had a significant effect on depression, anxiety and somatic symptoms. 4. The mediating effects of psychological flexibility on the relationship between emotional dissonance and mental health(depression, anxiety, somatic symptoms) was verified. Finally, We suggested the need to intervene in emotional labor and mental health in university administration staff and psychological flexibility as an intervention and prevention method.

• The Journal of the Korea Contents Association
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• v.19 no.8
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• pp.252-264
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• 2019

The purpose of this study is to explore the meaning of the essence through the parenting experience of the mother with ADHD child and to divide the parenting experience into the domains and categories. The data was collected through several depth interviews with 12 semi-structured questionnaires of the mother with ADHD child. The analysis of the data has adopted a consensus qualitative research method(CQR) that describes the phenomenon based on the collected data and can deduce inductive conclusions. Through CQR, various experiences of ADHD mothers were deeply analyzed. Through the consensus process, 12 cases were combined and quantified to understand the overall pattern and specificity. As a result, 11 domains and 51 categories were derived. The 11 areas were classified as 'Ignorance of ADHD symptom', 'Confronting ADHD diagnosis', 'Peripheral reaction after ADHD diagnosis', 'Acceptance of ADHD diagnosis', 'Ambivalence for medication', 'ADHD active treatment intervention', 'Family support','Social support', 'Social perception change', and 'Mature parent'. This suggests that early treatment and intervention for ADHD child is significant. Also, appropriate intervention is required based on accurate understanding through acceptance of ADHD diagnosis and that parent education can lead to positive life for child and mother of ADHD. Finally, based on this, I made suggestions the future research.

• The Journal of the Korea Contents Association
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• v.19 no.3
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• pp.659-674
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• 2019

The purpose of this study is to verify the path of the motivation, the flow, and problem gambling and intervention points. To this end, we verified the mediation effect of the motivation of the users outside sales offices influences the problem gambling through a flow and the moderated mediation effect of the frequency of the use of a bicycle racing tracks in that process. A total of 411 cases were analyzed using surveys conducted for one day on a weekday and weekend (September 13th and 15th 2018) for adults using an outside sales office in Jangan. According to the analysis, the causality of gambling by gambling motivation(amusement, excitement, avoidance, society, money) showed its effect positively by mediating the flow. The adjusted effect of the frequency of the use on the intermediary effect of the motivation ${\rightarrow}$ flow ${\rightarrow}$ problem gambling behavior, which is the main concern of this study, was found to be statistically significant. More specifically, the effect of adjusting the frequency of the use was statistically significant in both paths: motivation/flow and flow/problem gambling. It was also shown that, in the model with excitement, avoidance and social motivation, the adjustment of the frequency was only significant in the causal relationship between the flow and problem gambling. Based on these findings, this study made clinical and policy suggestions for intervention for gamblers and user protection regulations.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.2
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• pp.458-468
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• 2019

This research attempted to estimate monthly sales of food and beverage at the passenger terminal of Incheon int'l airport from June of 2015 to December 2020. This paper used ARIMA-Intervention model which can estimate the change of the sales amount suggesting the predicted monthly food and beverage sales revenue. The intervention variable was travel-ban policy against south Korea from P.R. China since July 2016 to December 2017 due to THAAD in south Korea. According to ARIMA, it was found normal predicted sales amount showed the slow growth increase rate until 2020 due to the effect of intervened variable. However, the monthly food sales in July and August 2019 was 20.3 and 21.2 billion KRW respectively. Each amount would increase even more in 2020 and the amount would increase to 21.4 and 22.1 billion KRW. The sales amount in 2019 would be 7.7 and 8.1 billion KRW and climb up 7.9 and 8.2 billion KRW in 2020. It was expected LCC passengers tend to spend more money for F&B at airport due to no meal or drink service of LCC or the paid-in meal and beverage service of LCC. The growth of sales of food and beverate will be accompanied with the growth of LCC according to estimated data.