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거부민감성이 SNS 중독경향성에 미치는 영향: 정서조절곤란과 경험회피의 순차매개효과
황의원,홍지영 한국청소년상담복지개발원 2023 청소년상담연구 Vol.31 No.2
본 연구에서는 대학생의 거부민감성과 SNS 중독경향성과의 관계에서 정서조절곤란과 경험회피의 매개효과를 검증하고자 하였다. 이를 위해 전국 4년제 대학교에 재학 중인 대학생 381명을 대상으로 온라인 설문을 실시하였다. 수집된 자료는 SPSS 29.0을 사용하여 기초통계분석과 상관분석을 실시하였고, SPSS Process Macro를 사용하여 매개효과를 분석하였으며, 통계적 유의성을 확인하기 위해 부트스트래핑(Bootstrapping)을 실시하였다. 연구결과 첫째, 거부민감성과 SNS 중독경향성의 관계에서 정서조절곤란의 부분매개효과가 유의한 것으로 나타났다. 둘째, 거부민감성과 SNS 중독경향성의 관계에서 경험회피의 부분매개효과가 유의한 것으로 나타났다. 셋째, 거부민감성과 SNS 중독 경향성의 관계에서 정서조절곤란과 경험회피의 순차매개효과가 유의한 것으로 나타났다. 본 연구는 거부민감성이 높은 대학생의 SNS 중독경향성을 낮추기 위해 정서조절곤란과 경험회피에 초점을 둔 상담 개입이 효과적일 수 있음을 밝히고, 이를 위한 기초자료를 제공했다는 데 의의가 있다. In this study, we aimed to examine the mediating effects of emotion dysregulation and experiential avoidance on the relationship between rejection sensitivity and SNS addiction tendency among college students. For this purpose, an online survey was conducted with 381 students enrolled in 4-year universities in Korea. Basic statistical analysis and correlation analysis were performed using IBM SPSS Statistics (version 29). In addition, the mediating effects were examined using IBM SPSS Process Macro, and bootstrapping was performed to confirm statistical significance. Results showed that the partial mediating effects of emotion dysregulation on the relationship between rejection sensitivity and SNS addiction tendency were significant. Also, the partial mediating effects of experiential avoidance on the relationship between rejection sensitivity and SNS addiction tendency were significant. Additionally, not only the partial mediating effects, but also the sequential mediating effects of emotion dysregulation and experiential avoidance on the relationship between rejection sensitivity and SNS addiction tendency were significant. This study is meaningful in that it revealed that counseling interventions focused on emotion dysregulation and experiential avoidance could be effective to prevent SNS addiction among college students with high rejection sensitivity.
신 이식 후 재발된 국소성 분절성 사구체 경화증 환자에서 Circulating Factor ( s ) 에 관한 연구
황의원(Eui Won Hwang),김승일(Seung Il Kim),김은나(Eun Na Kim),임현진(Hyun Jin Lim),변정득(Jung Duk Byun),박형근(Hyung Kun Park),이은영(Eun Young Lee),양동호(Dong Ho Yang),홍세용(Sae Yong Hong) 대한신장학회 2001 Kidney Research and Clinical Practice Vol.20 No.4
Background: Although a significant number of studies were done on focal segmental glomerulosclerosis(FSGS), its pathogenesis has not been sufficiently established yet. Recent studies suggested certain types of circulating factor(s) played an important role in development and recurrence after renal transplantation of FSGS by modifying the glomerular permeability of albumin. The purpose of this study performed on animals and through molecular-biological experiments is to certify the role of circulating factor (s), which cause proteinuria, by manipulating plasma of a FSGS patient who showed massive of proteinuria and wide effacement of glomerular epithelial foot processes in histologic examination after renal transplantation. also, whose massive proteinuria decreased significantly after plasma exchange. Methods - The patient's plasma prior to(plasma A) or post to(plasma B) plasma exchange were injected into tail veins of two groups of male Sprague-Dawley rats, six in each. The ratio of 24 hour urine protein and urine creatinine(Uprt/Ucr) was calculated for each case. The 2D gel electrophoresis was performed in plasma A and plasma B. The pattem of 2D gel electrophoresis of plasma A was compared to those of plasma B and healthy human serum. Results: Compared to control group, there was no significant differences in 24-hour Uprt/Ucr afer injecting 1, 2, 3, 5 mL of plasma A(p>0.05). There was no significant difference in 24-hour UprtAlcr between the injecting groups of plasma A and plasma B(p>0.05). We were not able to observe any new protein which did not appear in plasma B or healthy human serum in 2D gel electrophoresis. Conclusion ; These results suggest that the proteinuria developed in a few hours after renal transplantation and is related to wide effacement of glomerular epithelial foot processes, and that it may be induced by a certain factor which is eliminated by the plasma exchange or restrained by the immunosuppressive agents. However, we were not able to find certain circulating factor(s) which rapidly changes albumin permeability in the patient's plasma with FSGS.
황의원 ( Hwang Ui Won ),지석배 ( Ji Seog Bae ),김진국 ( Kim Jin Gug ),황승덕 ( Hwang Seung Deog ) 대한내과학회 2003 대한내과학회지 Vol.65 No.2
목적 : 말기 신부전 환자에서 유지 신대체 요법의 시행 시점은 환자의 예후에 많은 영향을 주고 있으나 현재까지 이 시점을 결정하는데 명확한 지침이 없는 상태이다. 대부분 혈중 요소질소 수치나 혈중 크레아티닌 수치에 의존하여 투석 시작 시점을 결정하고 있으며 사구체 여과율이 10 ㎖/min 이하로 감소되거나 요독증상이 심한 경우에 투석 치료가 시작되고 있다. DOQI 지침서에 의하면 투석 시작 시점의 객관적 지표로 주당 Kt/Vurea 2.0 이하 또는 Background : An initiating time of renal replacement therapy (RRT) for patients with end-stage renal disease (ESRD) has great influence on prognosis of the patients, however, there are currently no accurate guidelines for initiation of renal replacement t
시퀀스 생성적 대립 신경망을 활용한 다성음악 생성 연구
이상길,황의원,민선우,윤성로 한국정보과학회 2024 정보과학회논문지 Vol.51 No.1
In this paper, we propose an application of sequence generative adversarial networks (SeqGAN) for generating polyphonic musical sequences. We introduce a representation of polyphonic MIDI files that could encapsulate both chords and melodies with dynamic timings. This method condensed the duration, octaves, and keys of both melodies and chords into a single word vector representation. Our generator composed of recurrent neural networks was trained to predict distributions of musical word sequences. Additionally, we employed the least square loss function for the discriminator to stabilize training of the model. Our model could create sequences that are musically coherent. It exhibited improved quantitative and qualitative measures.