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Item Development to Predict the Driving Risk of Older Drivers using the Delphi Method
이재신,최성열 한국콘텐츠학회 2023 International Journal of Contents Vol.19 No.3
Increasingly, the elderly population is preferring a more-active lifestyle. These seniors can achieve more active social participation through driving. However, elderly drivers are required to undergo safety screening because of the high risk of accidents. Therefore, this study aimed to develop evaluation items for screening the driving risk of elderly drivers using a Delphi survey. The researchers collected the items included in the existing self-reported test of the elderly drivers and the 52 selected pre-items were those contained in at least two of the existing tests. Delphi panels were composed of professors, occupational therapists, social workers, road traffic workers and an elderly driver. In the first and second Delphi surveys, four items were integrated and 48 items were derived. The final 44 items were derived from the results of the third Delphi survey. The final 44 items contained information related to driving by elderly individuals and so can be used to formulate an appropriate test for elderly drivers. In various countries, self-evaluation for elderly drivers is provided as an IT-based service. It is expected that the items developed in this study will be used to develop Korean IT-based services for elderly drivers in Korea.
이재신(Jae-Shin Lee) 한국언론학회 2014 커뮤니케이션 이론 Vol.10 No.3
최근의 과학적 연구는 인간 뇌의 정보처리와 사고방식이 그동안 많은 논리학자나 컴퓨터 공학자가 생각한 것처럼 논리적 연산에 기반을 둔 합리주의적 접근으로는 이해할 수 없는 것으로 보고하고 있다. 이러한 결과들을 반영하듯 최근 경제학, 심리학, 사회학 등의 다양한 학문분야에서 인간은 의사결정 과정에서 과거의 경험에 의존하는 감정 편의적(affect heuristic) 판단을 주로 사용하는 것으로 보고되었다. 본 연구는 뇌과학과 생물학적 연구결과들을 토대로 이러한 감정 편의적 판단의 특성에 대해 탐구하고 그와 관련한 이론적 의미를 살펴봄을 목적으로 한다. 연구에서는 인간의 감정 편의적 판단이 생물의 진화 과정에서 생존을 위해 활용된 방법이며 인간의 뇌 역시 이러한 방법으로 구성되어 있음을 논의했다. 또한, 이와 관련한 이론들을 새로운 관점에서 살펴보고 그 시사점에 대한 논의를 제공했다. Recent scientific discoveries reveal that the way human brains work cannot be properly understood with a functionalist approach, different from what many logic and computer scientists have assumed. In accordance with these discoveries, many social scientists have recently reported that people employ affect-based heuristic decision making in a variety of settings. The purpose of this paper is to explore characteristics of affect heuristics based on recent findings in neuroscience and biology and to provide its theoretical implications. In this paper, I explained that mammals have acquired affect heuristic strategies in the course of evolution processes as a means of survival. I compared and contrasted the elaboration likelihood model and heuristic-systematic model and discussed what recent scientific findings have to say about the assumptions on which these models stand.
정치정보 습득 채널, 정부신뢰, 사회적 영향이 대학생들의 정치참여에 미치는 영향
이재신(Jae-Shin LEE),이민영(Min-Young LEE) 사단법인 언론과 사회 2011 언론과 사회 Vol.19 No.3
본 연구에서는 대학생들을 중심으로 정치정보 습득 채널과 정부에 대한 신뢰, 정치 참여에 대한 사회적 영향이 정치참여 행위에 미치는 영향을 종단적으로 살펴보았다. 이를 위해 2008년 총선과 촛불집회를 전후하여 세 번의 설문을 통해 연구를 진행하였다. 연구 결과, 정치정보 습득 채널은 대학생들의 투표 참여, 광우병 관련 논의 참여, 그리고 촛불집회 참여의도에 다양한 형태의 영향을 미치는 것으로 나타났다. 또한 정부에 대한 개인의 신뢰는 투표 참여에 부정적인 영향을 주었으며 정치참여에 대한 사회적 영향이 클수록 광우병 관련 논의에 적극적으로 참여하는 것으로 나타났다. 총선투표 참여는 이후의 정치참여에 모두 유의미한 영향을 주었다. 본 연구의 결과는 정치참여의 유형과 특성에 따라 이에 영향을 미치는 요인들이 다르게 형성됨을 보여준다. In this research, factors affecting college students’ political participation were examined in a longitudinal approach. Before and after the 2008 general election and the announcement of importing U.S. beef, three surveys were administered to measure the participants’ government trust, social influence on political participation and the communication channels for political information. The current study measured three distinctive types of political participation behaviors, namely, voting in the general election, participating in BSE(Bovine Spongiform Encephalopathy) discussions, and intention to join in the candle light demonstration to capture the participants’ actual political participation. Results indicate that each factor exerted different effects on the three types of political participation, which means that the factors affecting political participation are not fixed. Rather, they are fluidic and their effects are differential depending on the type of participation and the social contexts.
안정동위원소 비율 및 테트라하이드로칸나비놀 함량 분석을 통한 한국산 대마의 재배 환경 추론
이재신,박용훈,이종숙,정진일,임미애,정희선,Lee, Jae-Sin,Park, Yong-Hoon,Rhee, Jong-Sook,Jeong, Jin-Il,Lim, Mi-Ae,Chung, Hee-Sun 대한약학회 2008 약학회지 Vol.52 No.3
Stable isotope ratio of carbon and nitrogen ($\delta^{13}C$ & $\delta^{15}N$), and $\Delta^{9}$-tetrahydrocannabinol (THC) contents were measured on 37 Korean cannabis and 10 commercial grade marijuana seized in Korea. Factors influencing on the measured values and their variations were investigated. $\delta^{13}C$ value of cannabis is specified mainly by water availability. Korean cannabis showed relatively low $\delta^{13}C$ values ranging -33.29$\sim$-27.01% (mean=-31.01%), which reflect geographic conditions of Korea where is rainy, especially during summer. $\delta^{15}N$ values, which reflect individual planting conditions, were relatively high up to -0.5$\sim$18.0% (mean=6.44%). It reflects characteristics of Korean cannabis growing wild in forest or cultivated in fertile soil. Tetrahydrocannabinol is the major hallucinogenic compound of cannabis. Ethanol extracts of cannabis leaves were derivatized by N,O-bis(trimethylsilyl)trifluoroacetamide (BSTFA), and the derivatives were analyzed by GC-MS in selected ion monitoring (SIM) mode. THC contents of Korean cannabis ranged 0.11$\sim$4.34% (mean=1.47%), which were relatively low compared with commercial grade marijuana.