(+) Evidence from Little Hans supports the theory
(+) In today's society, equipment such as brain scans can be used to support the theory
(-) At the time, it was difficult to prove the idea of ID and Libido - no scientific evidence.
(-) Does not explain gender development in single parent families - e.g. no father figure for a boy to identify with.
(-) Children may be seeing an abusive relationship.
(-) Freud stated that you dont know your gender at 5 years old, however, evidence shows that children who are younger than 4, know what their gender is.