In the "Little Albert" study, an 11-month-old boy was taught to fear a rat through ______

Older adults with low levels of the chemical acetylcholine in the brain may develop memory loss. This statement best relates to the __________ psychological perspective.

a. biological b. cognitive c. sociocultural d. learning

Research on depression has found that

a. men are much more likely to suffer from depression than women. b. depression accounts for the majority of all mental hospital admissions in the United States. c. depression is very unlikely to reappear once an individual has gotten over his or her symptoms. d. almost all of the individuals who suffer from major depressive disorder receive professional help.