Work on this project was supported by National Institute of Mental Health Grants to Jennifer C. Ablow (1 F3 MH11038), Jeffrey R. Measelle (1 F3 MH10816), and Philip A. Cowan and Carolyn P. Cowan (MH31109). Work on the development of training materials for the Berkeley Puppet Interview was supported by a grant to Jennifer C. Ablow and Jeffrey R. Measelle from the MacArthur Foundation Research Ne...

3 studies investigated whether young children understand that the acquisition of certain types of knowledge depends on the modality of the sensory experience involved. 3-, 4-, and 5-year-old children were exposed to pairs of objects that either looked the same but felt different, or that felt the same but looked different. In Study 1, 36 children were asked to state, when one of these objects w...

Young children, in general, appear to have a strong drive to explore the environment in ways that reveal its underlying causal structure. But are they really attuned specifically to casual information in this quest for understanding, or do they show equal interest in other types of non-obvious information about the world? To answer this question, we introduced 20 three-year-old children to two ...