Does new evidence affect chimpanzees’ beliefs or expectations?

Key Points

• The research aims to explore how new evidence influences chimpanzees' choices and whether it affects their beliefs.
• Conducted experiments with chimpanzees to present new evidence regarding choices.
• Observed changes in chimpanzee decisions based on the new information provided.
• Analyzed whether updates in expectations correlate with changes in beliefs.
• Chimpanzees modified their choices significantly when presented with new evidence.
• While expectations about choice values were updated, changes in beliefs were less certain.