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KANO 모델을 활용한 스마트폰의 만족 및 불만족 요인 분석
이상근 ( Sang Gun Lee ),이신석 ( Sin Seok Lee ),강주영 ( Ju Young Kang ) 한국정보시스템학회 2011 情報시스템硏究 Vol.20 No.3
The current study categorizes factors of smartphone into three, using KANO model: attractive factors which cause only product satisfaction, must-be factors for dissatisfaction, and one-dimensional factors for both. Based on it, it presents a new model for the effects that smartphone factors have on satisfaction or dissatisfaction. The purpose is to theoretically explain that smartphone factors on which companies and users place a high value can actually affect satisfaction or dissatisfaction. After choosing 15 factors out of 25 which had been selected through literature study, these were divided into attractive, must-be, and one-dimensional ones. 93 out of 109 questionnaires returned were used for analysis. After frequency analysis using SPSS were conducted on the surveys, the factors were grouped, based on KANO table. The grouping results are as follows. Attractive factors include ``expansion slots for external memory, battery desorption, brand awareness, mobile banking and internet telephony``. Must-be ones include ``multi-touch, information security, entertainment, information retrieval, location based service and SNS. Finally, ``screen visibility, size of internal memory, the amount of internal memory, battery life, and response to after-sales service`` are classified as one-dimensional factors. A critical finding of this paper is that since the results are different depending on the operating system of smartphones, it must be taken into consideration in studies on smartphones. The wide and rapid spread of smartphones has changed people`s lifestyle as well as business environment, which forces companies to compete with each other to adapt to the changed circumstances. In this competitive system, studies on smartphone factors of satisfaction and dissatisfaction are essential for firms to establish a new strategy. From this point of view, the present paper is expected to be a basic material for enterprises not only to develop goods and services that maximize customer satisfaction and minimize dissatisfaction, but also to establish the future business strategy.
브루톤형 무감마글로불린혈증에서 발현한 류마티스관절염 1예
박동진 ( Dong Jin Park ),이성지 ( Sung Ji Lee ),김태종 ( Tae Jong Kim ),박용욱 ( Yong Wook Park ),배은신 ( Eun Sin Bae ),강은숙 ( Eun Suk Kang ),이신석 ( Shin Seok Lee ) 대한류마티스학회 2012 대한류마티스학회지 Vol.19 No.2
Bruton-type agammaglobulinemia is primary hypogammaglobulinemia followed by severe recurrent infection, including bacterial otitis media, bronchitis, pneumonia, and meningitis. Septic arthritis is a main musculoskeletal disorder that can occur in association with Bruton-type agammaglobulinemia. But the development of rheumatoid arthritis (RA) is rarely reported in a patient with hypogammaglobulinemia. Here, we describe a case of 34-year-old male with Bruton-type agammaglobulinemia, who presented with multiple symmetric polyarthritis. He was diagnosed as having a RA according to ACR criteria. His symptoms of polyarthritis had been improved after the introduction of medications including DMARDs (disease modifying anti- rheumatic drugs). Our case suggests that RA can be developed in the setting of agammaglobulinemia, and even in this situation, anti-rheumatic agents were effective to control arthritis without complication such as severe infection.