This report summarizes research about development during the first 3 years of life. It highlights research in domains that are foundational for later school readiness and success, including: (1) perceptual, motor, and physical development; (2) social and emotional development; (3) approaches to learning; (4) language and communication; and (5)…

During the second year of life, infants exhibit a "video deficit effect." That is, they learn significantly less from a televised demonstration than they learn from a live demonstration. We predicted that repeated exposure to televised demonstrations would increase imitation from television, thereby reducing the video deficit effect. Independent…