The Freudian complex that must be resolved by boys as the ascend the psychosexual stages of development is the __________ complex

Of all motor skills, ________ may play the greatest role in infant cognitive development

A) rolling over B) reaching C) crawling D) walking

Freud believed that feelings of anxiety result from the ego’s inability to mediate the conflict between the _________ and superego.

a. id b. ego c. brain d. sexual urges