Family conversations about science-related topics, including those involving storybook reading, may set the stage for children's interest in science. We investigated how parents from two cultural backgrounds engaged in science talk while reading a science-related storybook with their preschool-aged daughters and sons. Consistent with our…

This research investigates the development of constraints in word learning. Previous experiments have shown that as infants gain more knowledge of native language structure, they become more selective about the forms that they accept as labels. However, the developmental pattern exhibited depends greatly on the way that infants are introduced to…

In simple rule-switching tests, 3- and 4-year-olds can follow each of two sorting rules but sometimes make perseverative errors when switching. Older children make few errors but respond slowly when switching. These age-related changes might reflect the maturation of executive functions (e.g., inhibition). However, they might also reflect…