Moving fast conveys confidence to others during decision-making

The ability to read others’ intentions is crucial when pooling knowledge to form a collective decision. Decision-making improves when communication is allowed through words or touch. Coucke et al. show that visual information communicated through actions can convey not only a decision but also decision confidence, improving collective decision-making. The ability to read others’ intentions is crucial when pooling knowledge to form a collective decision. Decision-making improves when communication is allowed through words or touch. Coucke et al. show that visual information communicated through actions can convey not only a decision but also decision confidence, improving collective decision-making.