Published on in Vol 24, No 8 (2022): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/38776, first published
.
![Increased Online Aggression During COVID-19 Lockdowns: Two-Stage Study of Deep Text Mining and Difference-in-Differences Analysis Increased Online Aggression During COVID-19 Lockdowns: Two-Stage Study of Deep Text Mining and Difference-in-Differences Analysis](https://asset.jmir.pub/assets/dc4227c648281593dc08115f7cd72008.png 480w,https://asset.jmir.pub/assets/dc4227c648281593dc08115f7cd72008.png 960w,https://asset.jmir.pub/assets/dc4227c648281593dc08115f7cd72008.png 1920w,https://asset.jmir.pub/assets/dc4227c648281593dc08115f7cd72008.png 2500w)
1 Center for Geographic Information Science, Research Center for Humanities and Social Sciences, Academia Sinica, Taipei, Taiwan
2 Taipei Municipal Jianguo High School, Taipei, Taiwan
3 Department of Computer Science and Information Engineering, National Central University, Taoyuan, Taiwan