This paper reviews VanderBorght and Jaswal's 2009 study examining whether preschool-aged children ever prefer child informants over adult informants when seeking information. Drawing on prior research showing that young children typically view adults as more knowledgeable, the experiment tested three-, four-, and five-year-olds on topic-specific knowledge questions about toys and foods. The review summarizes the study's experimental background, design, and findings, concluding that while children hold general age-based assumptions about who knows more, they are capable of overriding those assumptions when given contextual familiarity cues about a specific informant.
Article Review: VanderBorght, M., and Jaswal, V. K. "Who Knows Best? Preschoolers Sometimes Prefer Child Informants over Adult Informants." Infant and Child Development, Vol. 18 (2009): 61–70.
Child psychologists already know that young children tend to assume that adults are more knowledgeable than children, and that very young children often assume that adults are more or less omniscient. Previous research suggests that young children tend to rely much more on information provided by adults than by their contemporaries. Children are also able to form expectations about relative knowledge based on contextual information — for example, expecting that a doctor would know more about fixing a broken arm, or that a mechanic would know more about fixing a car.
Prior research also suggests that children may alter their expectations about who provides more accurate information when given relevant cues. For instance, they respond to prompts indicating that an adult is a "silly man," or that an adult is already familiar with a specific topic. They recognize that a man who "likes horses" would be expected to know more about horses than a man who "has never seen a real horse." Children also understand that an adult observed giving incorrect answers — such as calling objects by the wrong name — might not be a reliable source of information on other topics. This body of research, which touches on epistemic trust in early childhood, forms the foundation for the present study.
This experiment investigated whether there are situations in which a young child would recognize that another young child might be more knowledgeable about certain topics than an adult, without any explicit prompts suggesting a specific reason for that assumption.
The researchers tested similar numbers of three-, four-, and five-year-old children in an experiment in which participants were assessed individually and asked questions about whether a child or an adult might know more about specific topics. The methods involved a female experimenter who asked the children to help her remember who might have known more about toys and foods.
More specifically, the questions about toys concerned things such as what a specific toy is used for, while the questions about foods concerned things such as what kinds of foods might be good for you. In a separate component of the tests, children were prompted with additional information suggesting that either the child or the adult might be more knowledgeable about a specific topic — for example, where the food was another child's favorite but the adult had never seen that food before, or where the adult had played with the toy but the child had never seen it. This type of selective learning from informants has been a growing area of interest in developmental psychology research.
"Age-general assumptions overridden by familiarity cues"
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