was first proposed by Jean Piaget, and explains the morality understandings of children between the ages of 10 and 11, who believe that rules are social conventions which can be challenged and modified when concerned parties agree.
MORALITY OF COOPERATION: “The morality of cooperation, considered to occur between the ages of 10 and 11 implies that children are then able to perceive rules as simple social constructs – something that society believes to be correct.”