加拿大Twitter用户在COVID-19封锁期间情绪趋势的动态与病例数的关系:基于人工智能的情绪检测方法
Swarna Weerasinghe1, Oladapo Oyebode2, Rita Orji2
1Department of Community Health and Epidemiology, Faculty of Medicine, Dalhousie University, Halifax, Canada.
Digital health
|May 30, 2023
概括
加拿大推特用户在COVID-19封锁期间表达了更多的负面情绪,如恐惧和愤怒. 负面情绪随着COVID-19病例的增加而增加,各省的影响各不相同.
科学领域:
- 公共卫生 公共卫生
- 计算社会科学 计算社会科学
- 心理学 心理学 心理学
背景情况:
- COVID-19 流行病和相关的公共卫生法规显著影响了全球情感福祉.
- 了解对这些法规的直接情绪反应对于心理健康干预至关重要.
研究的目的:
- 评估COVID-19法规对加拿大Twitter用户的直接情绪影响.
- 通过时间序列分析量化COVID-19病例和公众情绪之间的关系.
主要方法:
- 开发了人工智能算法来提取64,732条与社会限制和锁定有关的地理编码推文.
- 使用情感词典对推特情绪进行分类 (正面,负面,中立).
- 使用ARIMA时间序列回归来分析对COVID-19病例数的情绪趋势.
主要成果:
- 负面的情绪 (期待,恐惧,愤怒) 比积极的情绪 (期待,信任,快乐) 更为普遍.
- 负面情绪在病例数增加后的2-3天出现,而积极情绪在6-7天内下降.
- 曼尼托巴省和大西洋加拿大显示,随着病例数量的增加,负面情绪显著增加;影响因省份和浪潮而异.
结论:
- COVID-19病例负载对公众的情绪表达有明显的,尽管多因素的影响.
- 在情绪反应和延迟方面,各省的差异凸显了针对性公共卫生战略的必要性.
- 人工智能驱动的社交媒体数据情绪分析为实时情绪健康监测提供了强大的工具.
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