An advantage of questionnaires is that they are a relatively inexpensive way to gather a lot of data from a large group of people in a relatively short period of time.

There is research indicating that medical students are more susceptible to flu

around exam time. This research would be classified as _____ research. (a) experimental (b) correlational (c) anecdotal (d) independent variable

One explanation of aging cites our dietary habits as connected to the aging process. Which statement below is NOT consistent with this theory?

a. What we eat is the most significant contributor to aging. b. To receive the maximum benefits of caloric restriction, humans would have to reduce their caloric intake by 30%.. c. Animal research supports an association between reduced caloric intake and increased longevity. d. "Natural" human studies suggest that individuals on restricted diets may live longer.