The assumptions about children's development are challenged by recent research findings that show learning begins at an earlier age and proceeds at a different pace than expected. Sometimes researchers find that they have misunderstood children's cognitive, social, and physical development due to errors in measurement (faulty tests or tools),…

In this study, I gave a group of six to eight very young Chinese Singaporean children (between 2 and 4 years of age) three identical digital video cameras, plus tripods, and tracked their development in moviemaking over a 2-year period. The children were allowed to explore the cameras freely, though the investigators offered advice and support as…