A Researcher Plans to Study the Relationship Between People's Smoking

Multiple Choice

A researcher plans to study the relationship between people's smoking behavior and their tendency to have minor physical illnesses (such as colds or the flu) .Most likely he will use correlational research for the study because

A) correlational studies are always the "first choice" of researchers.
B) it is not practical or ethical to manipulate people's smoking behavior.
C) correlational studies allow the researcher to draw strong cause and effect conclusions.
D) the university does not allow smoking in the psychology building.