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인쇄 텍스트와 스마트폰 텍스트 읽기 상황에서 독자의 뇌 활성도 특성 비교 : 기능적 근적외선 분광법(f-NIRS)을 활용하여
백희정(Baek Hee-jeong) 학습자중심교과교육학회 2020 학습자중심교과교육연구 Vol.20 No.6
이 연구는 초등학생의 인쇄 텍스트와 스마트폰 텍스트를 읽기 상황에서 뇌 활성도 특성을 비교하는 데 목적이 있다. 연구 대상은 초등학교에 재학 중인 6학년 학생 6명이며, 2019년 10월 17일 하루 동안 실험을 진행하였다. 실험 장소는 세종시 D초등학교 다목적실이며 기능적 근적외선 분광법(f-NIRS)을 활용하여 뇌 활성도를 측정하였다. 뇌 활성도 측정은 OBELAB사의 NIRSIT(2019, Korea)을 사용하였으며, 측정한 데이터는 연동 분석소프트웨어인 NIRSIT analysis tool을 사용하여 분석하였다. 이 연구의 결과로는 첫째, 인쇄 텍스트와 스마트폰 텍스트를 읽을 때 좌우반구 뇌가 균형적으로 활성화되었으며, 브로카 영역이 활성화되었다. 둘째, 인쇄 텍스트와 스마트폰 텍스트를 읽을 때 동기적 추동과 관련한 뇌 영역이 모두 활성화되었다. 셋째, 인쇄 텍스트 읽기에서 목표 지향적이고 사회적 인지에 기반한 의사 결정이, 스마트폰 텍스트 읽기에서는 정보의 탐색과 통합이 인지 처리에 사용되었다. 그리고 정서적 조절을 통한 합리적 이해를 추구하는 경향이 인쇄 텍스트 읽기에서 나타났다.본 연구에서는 연구 결과에 비추어 국어 수업에서 교사가 갖는 디지털 매체 활용에 대한 부정적 인식이 변화할 수 있으며, 문식 매체를 선택함에 있어 개별 학습자의 동기와 흥미, 매체 사용 경험을 고려해야 할 당위성을 재고할 수 있고, 문식 매체 선택 기준에 타당성을 부여할 수 있음을 논의하였다. 이 연구는 변화 중인 문식 환경을 고려한 교육 내용이나 방법, 환경을 제공하는 데 있어 실증적인 기초 자료를 제공한다. The study aims to compare brain activity characteristics in situations where elementary school students read print text and smartphone text. The subjects of the study were six sixth-grade students attending elementary school and conducted a one-day experiment on October 17, 2019. The experiment site is a multi-purpose room for D Elementary School in Sejong City and the brain activity was measured using the functional Near Ultraviolet Spectrum Method (f-NIRS). The brain activity measurement was conducted using OBELAB s NIRSIT (2019, Korea), and the measured data was analyzed using the NIRSIT analysis tool, which is the interlocking analysis software. As a result of this study, first, when reading print and smartphone text, the left and right hemispheric brain was activated in a balanced manner, and the Broca area was activated. Second, when reading print and smartphone text, brain regions related to synchronous thrust were all activated. Third, goal-oriented, social-awareness-based decision making in print text reading, and the search and integration of information in smartphone text reading was used in cognitive processing. And the tendency to seek rational understanding through emotional adjustment emerged from print text reading.This study discussed that the negative perception of teacher s use of digital media in Korean language classes could change in light of the results of the study, the reason for considering individual learners motivation, interest and media use experience in selecting written media, and could give relevance to literary media selection criteria. The study provides empirical basic data in providing educational content, methods and environments that take into account the changing literary environment.
백희정(Baek, Hee Chong),이숙정(Lee, Suk Jeong),고영애(Ko, Young Aie),양선희(Yang, Sun Hee) 한국보건간호학회 2011 韓國保健看護學會誌 Vol.25 No.1
Purpose: The purpose of this study was to investigate factors affecting health promoting lifestyle in nursing students. Methods: A descriptive cross-sectional study was done using a convenient sampling (n=682) in a three-year nursing college. The health promoting lifestyle was measured by the instrument of Walker"s and self esteem was measured by the instrument of Rosenberg"s. Data were analyzed by descriptive statistics, chi-square test, oneway ANOVA and Stepwise multiple regression. Results: The average score of health promoting lifestyle was 2.34. The score of psycho-social well-being subscale was higher than that of health promoting behavior subscale. The highest score was on the interpersonal relations subscale, and the lowest score was on the physical activity subscale. The self-esteem, mental health status, satisfaction with school life, school year, perceived economic status, and gender accounted for 31.9% of the variance of health promoting lifestyle. Conclusion: Self-esteem was the most powerful influencing variable of the health promoting lifestyle, and physical activity was the lowest score of the health promoting lifestyle subscale. Therefor nursing educators should consider to include a health promotion program with increasing self esteem and physical activity in the nursing curriculum.
탄성밴드운동이 간호대학생의 체성분, 체력과 건강증진행위에 미치는 효과
백희정(Baek, Hee Chong),이숙정(Lee, Suk Jeong),신기수(Shin, Gisoo),임은주(Lim, Eun Ju) 한국보건간호학회 2014 韓國保健看護學會誌 Vol.28 No.2
Purpose: The purpose of this study is to examine the effects of a resistance band training program on body composition, physical fitness, and health promotion behavior in nursing students. Method: This study has a one-group pretest-posttest design to examine the change in body composition, physical fitness, and health-promoting lifestyle profile after participation in the resistance band training program. Training consisted of hands-based exercises using an elastic resistance band for ten weeks. Participants performed the resistance band training two days per week with a sports trainer, and 30 minutes self-training three days per week. The participants were 21 freshmen in nursing. Results: Mean age of the participants was 20.9 years, and 61.9% were not satisfied with their body shape. After the training program, muscle mass, muscular endurance, and balance of the body were significantly improved. In health promoting lifestyle profile, categories of physical activity, health responsibility, and stress management showed a significant increase. Conclusion: Results of this study suggested that exercising with a resistance band improved body composition, physical fitness, and health promoting behavior in the nursing students. We propose that resistance band training should be suitable for those who have the environment with limitation of time and space.
한반도 여름철 일별 강우량에 대한 장기변동과 특이사건의 통계 분석
김백조(Baek-Jo Kim),손건태(Keon Tae Sohn),오재호(Jai-Ho Oh),백지선(Jee-Seon Baik),이용희(Yonghee Lee),백희정(Hee-Jeong Baek) 한국자료분석학회 2000 Journal of the Korean Data Analysis Society Vol.2 No.1
한반도 여름철 강우량의 특이사건의 강도 및 빈도수의 장기간 변동에 대한 분석은 중요한 과학적 관심대상이며 최근 선진 여러 나라에서는 기후변화의 검출을 위하여 평균적인 기후보다는 특이사건에 있어서의 변화에 초점을 둔다. 본 연구에서는 관측기간이 30년 이상인 우리 나라의 22개지점에 대한 여름철 일별 강우량 자료에 요인분석, ARMA 모형추정, AR 회귀모형 분석 및 파엽 분석 등 다양한 통계 분석 기법을 적용하여 한반도 여름철 일별 강우량에 대한 장기변동과 특이사건을 분석하였다. Long-term changes in the frequency and intensity of extreme events of summer rainfall in Korea have been of scientific concern. It has suggested that tests for climatic change should be focus on changes in extreme events rather than on changes in climatic means in some countries. Statistical analysis of the long-term change and extreme events of daily summer rainfall over Korea has been performed using factor analysis, ARMA model estimation, regressive model analysis and wavelet analysis.
뉴욕 거주 한국인의 불안, 자아존중감 및 건강증진 생활양식
송효정,백희정,김명자,Song, Hyo-Jeong,Baek, Hee-Chong,Kim, Myung-Ja 대한예방의학회 2002 Journal of Preventive Medicine and Public Health Vol.35 No.2
Objectives : To examine the relationships among health promoting lifestyle, anxiety, and self-esteem for korean immigrants in New York. Methods : The study included 425 adults aged 18 and over, who were chosen from Korean church and social organizations located in New York. The data were collected from April to July, 1996 using self-administered questionnaires. Data analyses were conducted using stepwise multiple regression, Pearson's correlation coefficients, 1-test, and ANOVA. Results : Health promoting lifestyle was significantly different by age, religion, occupation, and the length of residence. Those insured and those with no current medial diagnosis revealed significantly higher score in health promoting lifestyle than their counterparts. As for the level of anxiety, significant differences were found by educational level, marital status, occupation, income, and the length of residence. Self-esteem varied significantly by education, marital status, occupation, income, and the length of residence. Those with no current medical diagnosis and those insured experienced significantly higher level of self-esteem than their counterparts. Negative correlations were observed between health promoting lifestyle and anxiety. Perceived health status at present was positively correlated to perceived health status in the future. Health promoting lifestyle was significantly predicted by anxiety, age, and insurance. Conclusions : The above findings suggested that it is necessary to develop programs improving the perceived health status and lowering the level of anxiety. In this context, further researches on the relation between health promoting lifestyle and anxiety is required.
시간별 기온자료를 이용한 한반도 도시화 효과의 특성 연구
김백조(Baek-Jo Kim),김경환(Kyeong-Hoan Kim),오재호(Jai-Ho Oh),백희정(Hee-Jeong Baek),이용근(Yong-Keun Lee) 한국자료분석학회 2000 Journal of the Korean Data Analysis Society Vol.2 No.1
시간별 기온자료를 이용하여 우리나라에서 12개의 주요도시들에 대한 도시화 효과를 계절별 및 월별, 시간별로 조사하였으며, 본 연구에서는 김경환 등(1999)에 제시된 방법에 따라 주요도시와 주변 도시들 간의 기온차이의 최대값과 평균 기온차이 그리고 이들 두 값의 비율를 계산하여 도시화 효과를 검출하였다. In this study, the urbanization effect in Korea on the seasonal, monthly, and hourly scales is investigated by using hourly air temperature data of 12 stations in 1998 with Kim(1999) s detection method which calculates maximum temperature difference (Δ T ˆ (u-s)max), mean temperature difference (Δ T (u-s)), and ratio of these two values between urban and surrounding cities.