Table 2.

Average Percentage of Trials in Which Participants Extended the Target Property and Made the Expected Inference in Study 3

Condition and group	Four-year-olds	Five-year-olds	Six-year-olds	Adults
Property extension
Knowledge
Mentioned	80% [69%, 90%]	78% [67%, 88%]	85% [78%, 93%]	99% [94%, 100%]
Unmentioned	46% [37%, 56%]	33% [11%, 27%]	15% [7%, 23%]	15% [9%, 22%]
No knowledge
Mentioned	54% [41%, 66%]	52% [40%, 63%]	75% [64%, 86%]	84% [75%, 92%]
Unmentioned	50% [37%, 63%]	46% [35%, 58%]	55% [44%, 66%]	41% [31%, 52%]
Property inference
Knowledge	51% [42%, 59%]	60% [51%, 69%]	79% [72%, 86%]	83% [77%, 89%]
No knowledge	33% [24%, 42%]	34% [25%, 43%]	38% [30%, 47%]	52% [43%, 61%]

Note: Values in brackets are 95% confidence intervals.