New Tool, New Function? Toddlers' Use of Mutual Exclusivity When Mapping Information to Objects

Prior research has suggested that 24‐month‐old toddlers will rapidly map the function of a novel object but that, unlike preschoolers and adults, they will use the tool for other purposes as well. Here, this nonexclusive pattern of object use was explored. Because it has been unclear whether a mature “one tool, one function” bias in assigning object functions is rooted in deployment of general learning principles or artifact‐specific thinking,...