During his early career, Freud first made a name for himself as a:?

Sigmund Freud's psychosexual theory

A) was developed through careful observations of his own children. B) emphasizes that how parents manage their child's fears is crucial for healthy sexual development. C) emphasizes five parts of the personality that become integrated during a sequence of three stages. D) was developed through having emotionally troubled adults talk freely about painful events of their childhoods.

Sometimes in a drug study, the experimental group given the actual drug and the control group given the inactive substance both initially show improvement. This is due to

a. the Barnum effect. b. the placebo effect. c. a biased sample. d. a random assignment of subjects.