Author Question: Researchers from the University of Rochester Medical Center found that as weight in children ... (Read 59 times)

BRWH · **on:** Jul 13, 2018

Researchers from the University of Rochester Medical Center found that as weight in children increased, the risk of tooth decay decreased. These results indicate what type of correlation?

a. a positive correlation
b. a weak correlation
c. a negative correlation
d. a spurious correlation

Question 2

What is one drawback of longitudinal studies?

a) They assess changes in subjects over time.
b) The subjects act as their own controls.
c) They can have a high mortality rate.
d) The researcher does not manipulate any variables.