Question

Research shows that people who smoke cigarettes are more likely to get lung cancer than those who do not smoke. this research alone demonstrates that ________.

Answer 1

The correct answer to this question is:

 

This research alone demonstrates that “there is a relationship between smoking and lung cancer".

 

The word “more likely” implies that there is only a relationship linking smoking and lung cancer. It is not conclusive that smoking alone causes lung cancer since people who do not smoke  also contracts lung cancer. Therefore it is only “relationship” and not “causational” .