Imagine the Following Correlation: the More Overweight the Child, the Slower

Multiple Choice

Imagine the following correlation: The more overweight the child, the slower his or her running speed. Given only this information, which of the following could be true?

A) Being overweight causes children to run slower.
B) Children who are slow runners are at a higher risk of being overweight.
C) Having respiratory problems such as asthma as a child can cause children to run slower and to become overweight.
D) Both A and B are possible.
E) All of the above could explain the correlation - the researcher would need to do more to find out if any are actually true.