Researchers have found that children born to mothers who smoke during and after pregnancy are more likely to develop respiratory illness. This is an example of which of the following?
A. A negative correlation
B. An experimental finding
C. A strong correlation
D. A positive correlation
Answer:D
Researchers have found that children born to mothers who smoke during and after pregnancy are more likely to develop respiratory illness. This is an example of which of the following?
A. A negative correlation B. An experimental finding C. A strong correlation D. A positive correlation