CT scans of the brains of alcoholics show ¬¬¬¬__________ in a high percentage of them

According to the text, what two disciplines does the field of cultural psychology combine?

a. Psychology and anthropology b. Culture and history c. Philosophy and biology d. Genetics and development

An inactive substance, such as a sugar pill or a saline injection, that is given to subjects to make them think they've taken a drug is called a(n)

a. placebo. b. extraneous variable. c. dependent variable. d. control drug.