Children's epistemic vigilance was examined for their reasoning about the intentions and outcomes of informants' past testimony. In a 2 × 2 factorial design, 5- and 6-year-olds witnessed informants offering advice based on the intent to help or deceive others about the location of hidden prizes, with the advice leading to positive or negative outcomes. Informants then suggested to the children ...

Do preschoolers think adults know more about everything than children? Or do they recognize that there are some things that children might know more about than adults? Three-, four-, and five-year-olds (N = 65) were asked to decide whether an adult or child informant would better be able to answer a variety of questions about the nutritional value of foods and about toys. Children at all ages c...