We recruited 557 participants from Prolific (277 male, 271 female, 9 self-identify; MageM_{\text{age}} = 42.92 years, SDSD = 13.83, range: 18-82). The sample was 63% White, 13% Black, 11% Latin American, 6% Multi-Racial, 4% East Asian, and 3% other ethnicities. Of these, 504 participants (90.5%) provided a final hypothesis and were included in discovery rate analyses, while 512 participants (91.9%) provided a final likelihood rating and were included in confidence change analyses. Participants who exited the chatbot interface after providing their hypothesis but before rating their final confidence were excluded from confidence analyses only. All participants who completed the study provided informed consent and were paid $1.10. The study took the median participant 5.4 minutes. The study was approved by an Institutional Review Board.
"Every box has a surprise," Machin said as she unwrapped perhaps the most bizarre item here, thought to be from the 19th Century: a set of lower gold dentures found at St Mary's Old Church in Stoke Mandeville.
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而百度本身，自然也非常着力于对外展示自身作为一家更加有想象力的「AI 企业」的形象。