In the study of consumer behavior, the role of emotion in consumer decision making has gained importance in recent years

Drugs like Aricept and Namenda that are currently used to treat Alzheimer's disease tend to

a. have little measurable impact on behavioral or cognitive abilities. b. positively impact cognitive functioning and reduce behavioral problems, but not slow the progression of the disease. c. positively impact behavioral problems, but show little impact on cognitive functioning. d. positively impact cognitive functioning, reduce behavioral problems, and slow the progression of the disease in some individuals.

In the experiment with the rats and the goal box, the number of food pellets given when the rats reach the goal box is the

A) ?extraneous variable. B) ?confounding variable. C) ?dependent variable. D) ?independent variable.