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텍스트 마이닝 기법을 활용한 구글 플레이 스토어 영어 학습 앱 사용자 리뷰 분석
김기연(Gi-Youn Kim),한수미(Sumi Han) 한국디지털콘텐츠학회 2022 한국디지털콘텐츠학회논문지 Vol.23 No.10
As the EduTech market of mobile applications grows, research to increase user satisfaction is active. In this regard, this study analyzed the satisfaction and dissatisfaction aspects of user reviews on English learning applications using text-mining. A total of 246,073 reviews from 225 English learning applications on Google Play Store were sentimentally analyzed into 168,577 positive reviews (68.5%) and 77,497 negative reviews (31.5%), indicating more positive user perception. Positive topics from topic modeling include word memorization, conversation, example sentence, game, and lecture, and negative topics include content, malfunction, payment, function, and price. Despite positive evaluation of learning contents, functional defects of the applications were pointed out. These results are of great practical significance since they can be used in marketing and content development in the target domain.
심장질환자의 심리사회적 요인 및 증상 경험간의 관계 : 6개월 추적조사
김조자(Kim Cho-Ja),김기연(Kim Gi-Yon),노영숙(Roh Young-Sook),송은경(Song Eun-Kyeung),강석민(Kang Seok-Min),유명숙(Yoo Myung-Sook),손연정(Son Youn-Jung) 기본간호학회 2006 기본간호학회지 Vol.13 No.1
Purpose: The purpose of this study was to identify the relationship between psychosocial factors and symptom experience of patients with cardiovascular disease over a 6-month follow-up period. Method: Baseline data for each of the 138 patients were collected. Eighteen patients were dropped for a final total of 120 patients in the present study. To monitor patients' symptom experience after discharge, each patient was interviewed by telephone, and interviewed directly with a questionnaire at each clinic visit. Results: Mean scores for hostility, anger, anxiety, and depression were 51.63, 22.87, 48.95, and 41.21, respectively. Mean scores for the level of symptom experience at discharge, 3 months and 6 months after discharge were 32.83, 24.79, and 26.70, respectively. There were significant differences in the level of hostility by gender, BMI, job, and monthly income. Also the differences in the level of anxiety and depression were statistically significant according to gender and existence of spouse. In the regression analysis, depression was identified as the significant factor associated with symptom experience at discharge, 3 months, and 6 months after discharge. Conclusion: This study presented baseline data to elucidate whether psychosocial factors were associated with the progression of cardiovascular diseases. Accordingly, it suggests that nurses need to take into consideration psychosocial factor as well as physiological factor in symptom management for patients with cardiovascular disease.