According to Piaget, the Coordination of the Secondary Schemes Phase

According to Piaget, the coordination of the secondary schemes phase of development (8 to 12 months) occurs when the infant:

A) is interested in novelty and repetition as seen in activities such as continual hitting with a hammer
B) understands concepts of space and object permanence and anticipates actions of others
C) is able to think before acting and use memory for simple trial-and-error problem solving
D) can name and locate familiar objects and demonstrate symbolic and ritualistic play