Q1. This involves the sensorimotor stage. The child has not yet achieved object permanence i.e. the knowledge that things continue to exist even when they cannot be seen.
Q2. This involves the concrete operational stage as in this children children begin to use logic. Tommy will soon understand that the amount of milk in both the glasses is the same.
Q3. This also involves the concrete operational stage.
Q4. This again is the concrete operational stage. Here, children are able to work out things internally.
Read through each of the following statements and then determine which stage of cognitive development that...