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Institutional Endorsement and its Spillover Effect within Business Groups
Hyerin Park(박혜린),Hicheon Kim(김희천) 한국전략경영학회 2012 한국전략경영학회 학술대회발표논문집 Vol.2012 No.8
Firm reputation is one of important sources to survive and gain competitive advantage. Previous researchers argue that institutional endorsement builds reputation and this reputation spills over affiliated organizations. However, there is little empirical evidence to support reputation spillover effect among business group affiliates. This study attempts to fill this gap by examining market responses to an affiliated firm’s additions to and deletions from a sustainability index. Findings suggest that there is asymmetric reputation effect and reputation spillover effect within business group affiliates. Further, this spillover effect is stronger among some business group member firms than others.
HyeRin Roh,Kyung Hye Park,Song Yi Park 한국의학교육학회 2017 Korean journal of medical education Vol.29 No.4
Purpose: Standardized patients (SPs) tend to rate medical students’ communication skills subjectively and comprehensively, in contrast to such objective skill set defined in the clinical performance examination (CPX). Meanwhile, medical school instructors have a different approach in their evaluation of students’ communication skills. We aim to analyze medical students’ verbal communication skills using objective methods, and to determine the contributing factors of a patient–physician interaction (PPI) score. Methods: Students with high- and low-ranking scores for PPI in CPX were selected. The Roter interaction analysis system was used to compare verbal communication behaviors of the students and SPs. Patient-centeredness scores (PCSs), physician’s verbal dominance, and number of utterances were compared between the two groups. Results: PCSs and physician’s verbal dominance had no difference between the groups. The number of utterances during the limited time of 5 minutes of CPX was higher for the high-ranking students. They tended to employ more paraphrase/check for understanding, and closed questions for psychosocial state and open questions for medical condition. The SPs interviewed by high-ranking students gave more medical information and requested for more services. Conclusion: In the case of the routine checkup, smooth conversations with more frequent utterances were detected in the high-ranking students. More medical information exchange and requests for services by SPs were higher for the high-ranking students. Medical communication instructors should keep in mind that our results could be indicators of a high PPI score.
Validity of the Korean Version of the Brief Irritability Test in Psychiatric Patients
Hyerin Lee,Yongchon Park,Deaho Kim,Joonho Choi,Seon-Cheol Park,Ilbin Kim,Eunkyung Kim 대한신경정신의학회 2024 PSYCHIATRY INVESTIGATION Vol.21 No.4
Objective This study aimed to investigate the validity and reliability of the Korean version of the Brief Irritability Test (BITe) and adapt it for Korean patients with psychiatric disorders.Methods A total of 296 patients at the Department of Psychiatry of Hanyang University Guri Hospital completed the BITe, Korean Beck Depression Inventory-II, Korean Beck Anxiety Inventory, the Korean version of the State-Trait Anger Expression Inventory, and Barratt Impulsiveness Scale-11. Construct validity was confirmed through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Reliability testing included assessments of internal consistency (Cronbach’s α) and item-total correlations. Convergent validity was examined through correlational analyses with variables such as anxiety, depression, anger, and impulsivity.Results First, the scale had good internal consistency with a Cronbach’s α of 0.88. Second, EFA indicated a single dimensionality of the BITe, and CFA demonstrated a reasonable fit for the single-factor model (comparative fit index=0.97, Tucker-Lewis Index=0.95, normed fit index=0.97, goodness-of-fit index=0.96, root mean square error of approximation=0.12, standardized root mean residual=0.03). Finally, the convergent validity analysis revealed a significant positive correlation with depression, anxiety, and anger, except for anger control, which is a sub-variable of anger.Conclusion The results showed that the Korean version of the BITe had good psychometric properties, and might serve as a valuable tool for assessing irritability in Korean patients with psychiatric disorders.
Medical students’ agenda-setting abilities during medical interviews
HyeRin Roh,Kyung Hye Park,Young Jee Jeon,Seung Guk Park,Jungsun Lee 한국의학교육학회 2015 Korean journal of medical education Vol.27 No.2
Purpose: Identifying patients’ agendas is important; however, the extent of Korean medical students’ agenda-setting abilities is unknown. The study aim was to investigate the patterns of Korean medical students’ agenda solicitation. Methods: A total of 94 third-year medical students participated. One scenario involving a female patient with abdominal pain was created. Students were video-recorded as they interviewed the patient. To analyze whether students identify patients’ reasons for visiting, a checklist was developed based on a modified version of the Calgary-Cambridge Guide to the Medical Interview: Communication Process checklist. The duration of the patient’s initial statement of concerns was measured in seconds. The total number of patient concerns expressed before interruption and the types of interruption effected by the medical students were determined. Results: The medical students did not explore the patients’ concerns and did not negotiate an agenda. Interruption of the patient’s opening statement occurred in 4.62±2.20 seconds. The most common type of initial interruption was a recompleter (79.8%). Closed-ended questions were the most common question type in the second and third interruptions. Conclusion: Agenda setting should be emphasized in the communication skills curriculum of medical students. The Korean Clinical Skills Exam must assess medical students’ ability to set an agenda.
박종률 ( Park Jongryul ),이정현 ( Lee Junghyun ),박회만 ( Park Hoeman ),양계훈 ( Yang Gyehoon ),박혜린 ( Park Hyerin ) 한국농업기계학회 2020 한국농업기계학회 학술발표논문집 Vol.25 No.2
들깨 종실은 기름을 짜거나 가루로 쓰이는데 최근에는 건강기능성 효과가 알려지면서 식의약품 원료로도 활용되고 있다. 들깨 용도가 다양해지면서 경제작물로서 상업용 재배가 늘어 2018년 재배면적은 34,900ha에 이른다. 하지만 국내산 들깨 및 들깨 가공품의 고품질화를 위한 산지처리 기계화는 미흡하다. 특히 상업용 재배 농가나 작목반에 알맞은 들깨 전용 정선기가 없어 풍구를 사용하고 있지만 들깨 크기만한 잔돌이나 모래 등은 제거가 어렵다. 따라서 본 연구에서는 농가나 작목반에 적합한 들깨 석발기를 개발하기 위해 기존 방식과 다른 부력을 이용한 석발 시험장치를 제작하여 시험하였다. 본 연구에서 제작한 부력을 이용한 들깨 석발 시험장치는 호퍼, 송풍기, 수직 및 수평 송풍관 등으로 구성되어 있다. 작동 원리는 송풍기에서 나온 바람이 송풍관을 따라 이동하면, 송풍관에 공급되는 원물에서 돌보다 가벼운 들깨는 수직관을 통과하여 배출되고, 돌은 수직관을 통과하지 못해 관에 남아 돌 배출구로 배출된다. 먼저 들깨 종말속도(5.47∼6.50m/s)에 적합한 송풍기 회전수를 알아보기 위해 송풍기 회전수별 송풍관의 풍속 측정 결과, 들깨 종말속도에 적합한 송풍기 회전수는 900∼1,000rpm이었다. 그러나 들깨(품종: 들향) 200g을 송풍관에 투입하여 시험한 결과, 들깨가 송풍관에서 배출되는데 필요한 송풍기 회전수는 1,500rpm으로 들깨 종말속도에 적합한 풍속을 내는 송풍기의 회전수 900∼1,000rpm보다 높아야 하는 것으로 나타났다. 이러한 결과를 바탕으로 들깨(품종: 들향) 490g과 파란색으로 염색한 모래 10g을 섞어 송풍기 회전수(rpm) 3수준(1400, 1500, 1600)에 따라 석발 시험한 결과, 투입에서 배출까지 걸리는 이송시간(초)은 52.7, 41.0, 27.3이었으며, 손실률(%)은 1.9, 1.8, 0.2로 나타났다. 그러나 석발률(%)은 10.0, 5.5, 5.4로 매우 낮게 나타났다. 즉 들깨에 섞인 모래 대부분이 들깨와 함께 배출되었다. 이는 들깨와 모래의 천립중(g)이 각각 3.69±0.11, 8.70±0.97로 들깨보다 무거운 모래는 들깨와의 부력 차이로 배출되지 않을 것이라는 가설을 기각한다. 따라서 들깨에 섞인 모래를 무게 차이에 의한 부력만으로 골라내는 것은 어려우므로 들깨 석발기는 부력과 함께 마찰, 요동 등 여러 요인을 복합적으로 적용해서 개발해야 할 것으로 판단되었다.