• International Journal of Computer Science & Network Security
• /
• 제21권11호
• /
• pp.31-42
• /
• 2021

Several studies have been conducted on market orientation over the last three decades. However, the majority of previous research focused exclusively on an internal vision that conceives the market orientation from an organizational perspective, considering the market orientation as a strictly perceived culture or behavior by company's staff (managers and employees) .This study aims to emphasize the importance of analyzing the market orientation from a dual perspective by investigating simultaneously the perceptions of customers and those of managers. It examines the perceptual gap or perceptual congruence of market orientation between customers and managers. A survey is conducted with Tunisian bank managers and B to B customers to measure their market orientation perception. The results should reveal level of manager's market orientation in Tunisian banks compared to customers' perceptions. The perception gaps of market orientation between managers and customers named congruence is highlighted and categorized. This study provides some contributions to fill the gap emerging from the one-sidedness of market orientation evaluation and gives a dyadic vision of market orientation that helps managers in their continuous learning about markets and sensing customers' needs and expectations. Market orientation level between the two groups is evaluated to give some managerial recommendations.

• 유통과학연구
• /
• 제22권1호
• /
• pp.95-103
• /
• 2024

Purpose: Focusing on the complex supply chain operations beyond the simple dyadic relationship, this study evaluates the performance of the revenue sharing contract in three stage supply chain system. Research design, data, and methodology: The optimization model is developed to describe the supply chain system where one manufacturer, one wholesaler, and one retailer exist and pursue the maximum level of their own profits. In the numerical examples of the proposed supply chain model, two types of the revenue sharing contract, pairwise and spanning methods, are tested and their performances are compared with the traditional system. Results: The numerical analysis reveals that both types of the revenue sharing contract outperform the traditional system. All supply chain members can achieve the improved profits only when they determine the proper combination of revenue share ratios and price discount rates. Conclusions: This study finds out that both pairwise and spanning revenue sharing contracts can make the positive outcome that is acceptable to all members in three stage supply chain system. When the proper contract content is agreed among the supply chain members, the revenue sharing contract has the potential to be the practically feasible collaboration program for the multiple stage supply chain system.

• 한국의류학회지
• /
• 제34권3호
• /
• pp.411-423
• /
• 2010

Retail stores with a primary competitive advantage in satisfying customers with high quality differentiated services depend heavily on a sales force to produce and deliver services in a consistent manner. Salespersons in a high service retail context are required to act to express certain types of emotion in compliance with the emotional rules of the organization that is conceptualized as "emotional labor" in the literature. This study adopts the dyadic model of emotional labor originally proposed by Hochschild. A survey method is implemented to collect data to test the hypotheses among the variables such as positive and negative affectivity, performance stressor, emotional labor, burnout, and job satisfaction. One hundred and twelve responses were analyzed by factor analysis and path analysis with SPSS12.0 and Amos 6.0. The factor analysis confirms that emotional labor is composed of deep acting and surface acting. Eleven hypotheses were tested by path analysis and seven were accepted. The major findings are that deep acting was affected by positive affectivity, negative affectivity, and a performance stressor. The surface acting was affected only by negative affectivity. Surface acting had an indirect negative effect on job satisfaction via emotional burnout while deep directly acting influenced job satisfaction. Furthermore, the interaction effect between positive affectivity and a performance stressor on surface acting was significant. The implications for retail firms are discussed based on the findings with suggestions for future studies.

• 응용통계연구
• /
• 제28권2호
• /
• pp.251-267
• /
• 2015

인도부페 프로세스는 유한개의 행과 무한개의 열로 이루어진 이진행렬의 분포와 관련된 확률과정이다. 무한특성모형을 유한개의 행과 무한개의 열로 이루어진 이진행렬을 이용해서 표현할 때, 이진행렬에 대한 사전분포로써 인도부페 프로세스가 이용될 수 있다. 본 논문에서는 인도부페 프로세스를 유한특성모형과 연관지어서 유도하는 방법을 소개하고, 베타프로세스와의 관련성을 간략히 설명한다. 실제 모형의 추론에 인도부페 프로세스가 이용되는 예제를 살펴보기 위해서 가우시안 선형모형에 인도부페 프로세스를 적용한 모형화 방법을 언급하고, 깁스표집 알고리즘, 막대 자르기 알고리즘, 변분방법을 이용한 추론방법을 설명한다. 그리고 이 세 가지 알고리즘을 이용하여 이미지 자료를 분석하는데 적용해본다. 나아가 쌍자료 분석, 네트워크 분석, 독립성분 분석에서 인도부페 프로세스가 어떻게 이용될 수 있는지도 알아본다.

• 대한간호학회지
• /
• 제52권2호
• /
• pp.228-243
• /
• 2022

Purpose: The study aimed to translate the Couple Satisfaction Index (CSI 32) into Korean, to evaluate the reliability and validity of CSI 32 and short-form (CSI 16, 4) in the Korean context, and to determine a cut-off score for Korean couples. Methods: Korean Versions of the Couple Satisfaction Index (K-CSI) 32 was translated, back-translated, and reviewed by five bilingual experts. Confirmatory factor analysis (CFA) was conducted with data from a sample of 218 couples (N = 436) to test construct validity. Validity and reliability were evaluated. The receiver's operating characteristics curve analysis was used to obtain the cut-off score. Results: The construct validities of K-CSI 32, 16, and 4 were verified using one-factor structures. The results of CFA showed a slightly better fit for K-CSI 16 and 4 than for K-CSI 32. Convergent validity was supported by significant positive correlations of K-CSI with Kansas Marital Satisfaction Scale, Dyadic Adjustment Scale, and Family Relationship Assessment Scale. Moreover, the significant differences in K-CSI between normal and depressive group demonstrated known-group validity. Cut-off scores of 105.5 on K-CSI 32, 50.25 on K-CSI 16, and 13.25 on K-CSI 4 were validated to identify distressed couple relationships. Conclusion: For clinical practice, the reliable and valid K-CSI 32 has the potential to measure changes in couple satisfaction after couple therapy or interventions. Applying K-CSI 32 may facilitate research on couple and family relationships in nursing and contribute to the discussion on the role of couple satisfaction in mental health.

• 가정과삶의질연구
• /
• 제31권1호
• /
• pp.129-147
• /
• 2013

The primary focus of the study assesses how individual spouses' and their partners' marital adjustment influence their own and their mental health. The study also examines whether this influence was mediated by the relationship with their adult-children. Data were collected from 271 dyads of elderly couples by using a self-report questionnaire. Marital adjustment was measured in terms of intimacy and comparison level of marriage. Mental health was measured in terms of depressive mood, anxiety, and somatization. The Actor-Partner Interdependence Model (APIM) analysis revealed that marital adjustment was positively associated with one's own mental health and with one's own relationship with their adult-children, but not with their partner's. On the other hand, the relationship with adult-children was positively associated with one's own and with their partner's mental health. Furthermore, analysis of the mediating model using APIM indicated that marital adjustment through one's own adult-children relationship had direct and indirect effects on one's own mental health. It is interesting to note that the wives' mental health were directly influenced by their partners' relationship with adult-children. However, the effect of the husbands' mental health was not significant. These findings highlight dyadic interdependence among spouses' perceptions of marital and adult-children relationship with their mental health. The results suggest implications for educators and clinicians working with elderly couples to improve their psychological and relational health.

• 인간행동과 음악연구
• /
• 제11권2호
• /
• pp.41-57
• /
• 2014

본 연구는 동료 수퍼비전에서 음악치료 전공생들의 수퍼바이지로서의 경험을 알아보는데 목적을 두었다. 연구 참여자들은 서울 소재 음악치료 대학원 전공생 17명이었으며, 연구자가 제공한 구조에 따라 2회에 걸쳐 일대일 형식으로 수퍼비전을 시행하였다. 수퍼비전 진행 후 반구조화된 심층 인터뷰가 이루어졌고 내용을 전사한 후 내용분석의 방법으로 분석되었다. 연구 결과 연구 참여자들은 동료 수퍼비전의 중요성에 대해 보고를 하였는데 수퍼바이지의 관점에서 내용을 분석했을 때 동료 수퍼비전 안에서 수용적이고 지지적인 환경은 능동적인 상호작용이 일어나게 하고 전문적 역량의 성장을 촉진한다. 동료 수퍼비전에서 성장을 저해하는 요소로는 동료의 역량부족과 부적 감정 경험이 있는데 이는 동료의 역량부족으로 인해 문제가 해결되지 않은 답답함, 불안감과 같은 부적 감정과 관련이 있다. 동료 수퍼비전 내 구조는 진행을 용이하게 하고 수퍼비전의 방향성을 제시하며 상호과정 촉진에 도움이 된다. 본 연구는 전문가로 성장을 하기 위해 동료 수퍼비전을 적용함에 있어 필요한 실제적인 내용을 제공했다는 점에서 의의가 있다.

• 경영정보학연구
• /
• 제5권2호
• /
• pp.1-21
• /
• 2003

e-비즈니스 환경에서 중개 유통기업은 공급자의 고객과의 직거래에 대한 위협에 대응하여 지속적인 변화를 추구하고 있다. 본 논문에서는 웹 기반 정보기술 활용을 통한 산업재 유통기업의 e-트랜스포메이션 전략을 분석적 관점에서 다루었다. 거래 비용 이론에 의하면 인터넷의 급격한 보급은 중개자와 공급자의 통합 및 아웃소싱에 의한 분할 등 상반되는 두 가지 방향을 동시에 촉진한다고 연구된 바 본 연구에서는 이러한 전략적 변화 방향에 대한 프레임웍을 중개유통 기업의 공급사슬 가치기여 이론과의 결합을 통하여 제시하였다. 공급사슬 가치기여 관점에서는 정보기술과 관련된 공급사슬 특성, 유통채널 조직간의 역학관계, 인터넷 유통 채널 특성 등의 상황적 변수가 포함되었다. 본 논문에서 제시된 프레임웍은 이와 같은 변수들의 복합적인 연계관계가 고려된 상황적 대안을 제시하고 있으며 제안된 명제들의 효과성은 산업재 유통기업의 종단적 심층 사례 연구를 통하여 분석되었다.

• KSII Transactions on Internet and Information Systems (TIIS)
• /
• 제13권2호
• /
• pp.1100-1123
• /
• 2019

A code-based cryptosystem can resist quantum-computing attacks. However, an original system based on the Goppa code has a large key size, which makes it unpractical in embedded devices with limited sources. Many special error-correcting codes have recently been developed to reduce the key size, and yet these systems are easily broken through side channel attacks, particularly differential power analysis (DPA) attacks, when they are applied to hardware devices. To address this problem, a higher-order masking scheme for a McEliece cryptosystem based on the quasi-dyadic moderate density parity check (QD-MDPC) code has been proposed. The proposed scheme has a small key size and is able to resist DPA attacks. In this paper, a novel McEliece cryptosystem based on the QD-MDPC code is demonstrated. The key size of this novel cryptosystem is reduced by 78 times, which meets the requirements of embedded devices. Further, based on the novel cryptosystem, a higher-order masking scheme was developed by constructing an extension Ishai-Sahai-Wagne (ISW) masking scheme. The authenticity and integrity analysis verify that the proposed scheme has higher security than conventional approaches. Finally, a side channel attack experiment was also conducted to verify that the novel masking system is able to defend against high-order DPA attacks on hardware devices. Based on the experimental validation, it can be concluded that the proposed higher-order masking scheme can be applied as an advanced protection solution for devices with limited resources.

• 디지털융복합연구
• /
• 제19권3호
• /
• pp.195-202
• /
• 2021

본 연구는 치매교육으로 제공한 국내·외 가상현실 프로그램의 특성, 효과, 적용 전략 등을 확인하는 체계적고찰 연구이다. 연구방법은 2020년 7월까지 국내·외에서 발표된 문헌을 대상으로 국외는 CINAHL, Cochrane, EMBASE, Pubmed 전자 데이터베이스를 사용하였으며, 국내는 RISS, KISS, DBpia에 대한 검색을 시행하였다. 선정기준과 배제기준을 근거로 최종 6편의 논문이 분석에 사용되었다. 분석결과 선정된 문헌의 연구대상자는 비전문 간병인 2편(33.3%), 일반인 1편(16.7%), 간호학생과 의학 및 약학대 학생을 포함한 학생들 3편(50.0%)이었다. 가상현실 프로그램은 총 5개(공감능력, 치매 지식과 편안감을 포함한 치매태도, 자신의 능력에 대한 신뢰, 양자관계척도)영역에 효과가 있었으며, 이 중 공감능력에 대한 평가가 가장 많았으며 공감능력을 측정한 연구의 75%에서 가상현실 프로그램이 유의한 효과를 나타내었다. 본 연구 결과를 통해 공감을 기반으로 한 인간중심적 간호에 가상현실 기술을 활용할 수 있음을 확인하였다.