Community notes increase trust in fact-checking on social media.

Community-based fact-checking is a promising approach to fact-check social media content at scale. However, an understanding of whether users trust community fact-checks is missing. Here, we presented Americans with 36 misleading and nonmisleading social media posts and assessed their trust in different types of fact-checking interventions.

Moralized language predicts hate speech on social media.

Hate speech on social media threatens the mental health of its victims and poses severe safety risks to modern societies. Yet, the mechanisms underlying its proliferation, though critical, have remained largely unresolved. In this work, we hypothesize that moralized language predicts the proliferation of hate speech on social media.