Hostility on #Twitter increases after Jihadist terror attacks.
New study w/ @gorodzeisky in the Journal of #computationalSocialScience , analyzing ~4.5M Tweets from ~1.2M users before and after ten major attacks across five European countries. Available in #openaccess 🔓 at:
2/4 On average, we find a 10 pp increase in online hostility at the time of the attack. This effect diminishes approximately seven days after the event. There is some heterogeneity across the 10 attacks, but the overall pattern is similar in all cases, see parametric and non-parametric modelling:
2/3 Deeper analyses reveal that the increase was strongest in Tweets about Muslims/Islam, but also concerned Tweets about migration in general. Fixed effects models show that the overall effect is in part driven by intra-user changes in Tweeting.
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