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경영진 역할과 보호동기 요인이 정보보안정책 준수 의지에 미치는 영향 : 계획행동이론을 기반으로
신혁,강민형,이철규 한국융합보안학회 2018 융합보안 논문지 Vol.18 No.1
본 연구에서는 정보보안정책 준수 의지에 미치는 영향에 대하여 Ajzen(1991)이 제시한 계획행동이론을 토대이론으 로 활용하여, 계획행동이론이 정보보안정책 분야에서 활용된 선행연구 사례를 분석하고, 경영진 역할 및 보호동기 요 인이 계획행동 선행요인인 태도, 주관적 규범, 지각된 행동조절력을 매개변수로 정보보안정책 준수 의지에 미치는 영 향에 대한 인과관계를 검증하고자 연구모형을 설계하여 가설을 검증하고, 경쟁모형을 활용하여 연구모형과 경쟁모형을 비교 검증을 실시하였다. 그 결과 연구모형에서 태도와 주관적 규범은 경영진 신뢰, 반응효용성, 반응비용 및 자기효용 성과 준수 의지간의 매개역할을 하고, 지각된 행동조절력은 경영진 신뢰와 자기효용성과 준수 의지간의 매개역할을 하 였다. 그리고 경영진 역할, 보호동기 요인과 준수 의지간의 관계를 설명하는 데 있어 매개변수를 활용한 연구모형이 경쟁모형보다 적합도 검증을 통해 우월한 것으로 확인할 수 있었다. This study examines antecedents of the intention of compliance with information security policies based on Ajzen’s Theory of Planned Behavior. The study conducted the following: Verification of casual relations between role of management and protection motivation and the antecedents of planned behavior as parameters to determine the effect on the intention of compliance with information security policy, and comparative analysis between the research model and a competition model. The result of the study disclosed that, in the research model, attitude and subjective norm took an intermediary role on management beliefs, response efficacy, response cost, self-efficacy, and compliance intention, and perceived behavior control on management beliefs, self-efficacy and compliance intention.
제재 및 보호동기와 정보보호정책 준수 의도에 관한 연구: 주관적 규범을 매개로
신혁 한국융합보안학회 2019 융합보안 논문지 Vol.19 No.2
This study applied the Theory of Reasoned Action by Fishbein & Ajzen(1975) as the grounded theory and adopt sanctions of the General Deterrent Theory and protection motivation of the Protection Motivation Theory as the antecedents to discuss the theoretical factors and the cases of application in the field of information security. Then, it adopted subjective norm, a variable of the Theory of Reasoned Action, as a parameter to analyze the causality of sanctions, perceived vulnerability, response cost, and self-efficacy with the intention to follow the information security policies. As a result, all of the antecedents except for sanctions had causality with the intention and subjective norm proved its mediating effect as a parameter between the antecedents and the intention. 본 연구에서는 Fishbein & Ajzen(1975)이 제창한 합리적 행위이론을 근거이론으로 활용하였다. 그리고 억제 이론의 구성요인인 제재와 보호동기이론의 보호동기 일부요인을 선행변수로 채택하여 이론적 확인과 정보보호 분야에서 인용된 사례를 제시하였다. 합리적 행위이론의 변수인 주관적 규범을 매개변수로 채택하여 제재와 지각된 취약성, 반응비용 및 자기효용성과 정보보호정책 준수 행위 의도간의 인과관계를 분석하였다. 연구가설 검증 결과 제재를 제외한 지각된 취약성, 반응비용과 자기효용성은 행동 의도와 유의미한 인과관계가 있었으며, 주관 적 규범은 선행요인과 의도 간에 매개효과를 입증하였다.
Too Much Information – Trying to Help or Deceive? An Analysis of Yelp Reviews
신혁,이홍주,루스 안젤리 크루즈 한국경영정보학회 2023 Asia Pacific Journal of Information Systems Vol.33 No.2
The proliferation of online customer reviews has completely changed how consumers purchase. Consumers now heavily depend on authentic experiences shared by previous customers. However, deceptive reviews that aim to manipulate customer decision-making to promote or defame a product or service pose a risk to businesses and buyers. The studies investigating consumer perception of deceptive reviews found that one of the important cues is based on review content. This study aims to investigate the impact of the information amount of review on the review truthfulness. This study adopted the Information Manipulation Theory (IMT) as an overarching theory, which asserts that the violations of one or more of the Gricean maxim are deceptive behaviors. It is regarded as a quantity violation if the required information amount is not delivered or more information is delivered; that is an attempt at deception. A topic modeling algorithm is implemented to reveal the distribution of each topic embedded in a text. This study measures information amount as topic diversity based on the results of topic modeling, and topic diversity shows how heterogeneous a text review is. Two datasets of restaurant reviews on Yelp.com, which have Filtered (deceptive) and Unfiltered (genuine) reviews, were used to test the hypotheses. Reviews that contain more diverse topics tend to be truthful. However, excessive topic diversity produces an inverted U-shaped relationship with truthfulness. Moreover, we find an interaction effect between topic diversity and reviews’ ratings. This result suggests that the impact of topic diversity is strengthened when deceptive reviews have lower ratings. This study contributes to the existing literature on IMT by building the connection between topic diversity in a review and its truthfulness. In addition, the empirical results show that topic diversity is a reliable measure for gauging information amount of reviews.
신혁재,이상철,신지철,김완성,장원혁 연세대학교의과대학 2014 Yonsei medical journal Vol.55 No.3
Purpose: To investigate the therapeutic effectiveness of ultrasound (US)-guided trigger point injection for myofascial trigger points (MTrPs) in the internal rotator muscles of the shoulder in post-mastectomy patients. Materials and Methods: This pilot study was a non-controlled, prospective, clinical trial. Nineteen post-mastectomy patients with a diagnosis of at least one active MTrP in the subscapularisand/or pectoralis muscles were included. We performed trigger point injections into the subscapularis muscle deep behind the scapula as well as the pectoralis musclefor diagnostic and therapeutic purpose by the newly developed US-guided method. Results: Visual analogue scale and range of motion of the shoulder for external rotation and of abduction showed significant improvement immediately after the first injection and 3 months after the last injection compared with baseline (p<0.05 for both). Duration from onset to surgery and duration of myofascial pain syndrome in the good responder group were significantly shorter than in the bad responder group (p<0.05). Patients did not report any complications related to the procedure or serious adverse events attributable to the treatment. Conclusion: In post-mastectomy patients with shoulder pain, US-guided trigger point injections of the subscapularis and/or pectoralis muscles are effective for both diagnosis and treatment when the cause of shoulder pain is suspected to originate from active MTrPs in these muscles, particularly, the subscapularis.