According to this model of the psyche , the id is the set of uncoordinated instinctual trends ; the super-ego plays the critical and moralizing role ; and the ego is the organized , realistic part that mediates between the desires of the id and the super-ego .
According to this model of the psyche , the id is the set of uncoordinated instinctual trends ; the ego is the organised , realistic part ; and the super-ego plays the critical and moralising role .