Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
For each relationship, decide whether the variable is an interacting variable or a confounding variable.
-Nicotine patches have been shown to be effective in getting smokers to quit smoking. The therapy is even more effective when there are no other smokers in the home. The absence of other smokers in the home is

A) a potential confounding variable.
B) an interacting variable.