Over-the-counter medications of the late nineteenth century frequently contained opiates such as heroin

An auction house is about to sell a first edition of a book arguing psychology should not study consciousness, but should emphasize the study of how the unconscious memories and urges effect behavior. The book was most likely written by:

a. William James b. Abraham Maslow c. Wilhelm Wundt d. Sigmund Freud

Piaget's "first habits and primary circular reactions stage" occurs during which age range?

A. 1 to 4 months B. 1 to 6 months C. 1 to 8 months D. 4 to 8 months