New developmental psychology work has upended decades of research suggesting that children as young as 4 years old possess theory of mind. Having theory of mind means understanding how others think, ...

Researchers discovered children ages 3 to 5 tested before and after COVID lockdowns had a significant gap in a key cognitive skill, particularly for children from homes with low financial resources ...

A new study finds that, under the right conditions, 2 1/2-year-old children can answer questions about people acting on false beliefs, an ability that most researchers believe does not develop until ...