A small core of posters dominate an online hate thread’s output.

Evidence

Of the 39 message posters, 31 people posted 1 message, 6 people posted 2 messages, and 2 people posted 3 messages. A total of 39 messages were retained for analysis. — Roderick M. Kramer, Geoffrey J. Leonardelli, Robert W. Livingston, Social Cognition, Social Identity, and…, 1014

Categorization

• corroborated: 2 independent passages support this claim — Roderick M. Kramer, Geoffrey J. Leonardelli, Robert W. Livingston, Social Cognition, Social Identity, and…, 1014