Four studies compared preschoolers' fast mapping of new proper and common names following indirect exposures requiring inference with their learning new names following ostensive cues. Found that inferential learning of names and learning by direct instruction were largely equivalent: learning from a situation with clear joint references…

Two experiments investigated kindergarten through fourth-graders' and adults' ability to evaluate the certainty of deductive inferences, inductive inferences, and guesses, and explain the origins of inferential knowledge. Findings indicated that children rated their own deductions as more certain than guesses, but when judging another person's…