What teenagers want most of all are social rewards, especially the respect of their peers.

The best scientific way to discover if one factor influences another is to do a controlled experiment.

Putting together philosophy and children would have been difficult for most of history. But very fortunately for me, when I started graduate school there was a real scientific revolution taking place in developmental psychology.

Babies and young children are like the research and development division of the human species, and we grown-ups are production and marketing.

Owning our past allows us to own our future.

Adults tend to think they have much free will. Kids younger than six are less sure. They may be more realistic!

Becoming an adult means leaving the world of your parents and starting to make your way toward the future that you will share with your peers.