Freud would suggest that Jennifer, who is a chain smoker, is fixated at the oral stage of psychosexual development.
Freud's theory of personality development of a child proposes five (5) psychosexual stages which include the following:
The oral stage occurs in the early life of a child from birth to 1 year old. At this stage, the baby derive satisfaction by toying with various substances and objects with the mouth, including engaging in habits such as sucking, biting etc.
Oral fixation could occur later in life and the fellow may engage in oral personalities such as becoming a smoker.
Therefore, Freud would suggest that Jennifer, who is a chain smoker, is fixated at the oral stage of psychosexual development.
Learn more here:
https://brainly.com/question/21596005