Trevor Plans to Study the Relationship Between Individuals' Responses to Highly

Multiple Choice

Trevor plans to study the relationship between individuals' responses to highly stressful situations and their overall health.He decides he must use correlational research,rather than experimental research,to investigate this problem.What is the most likely reason that Trevor chose a correlational method

A)  Correlational studies have higher internal validity than experiments. 
B)  Correlational research can be used to investigate factors that would be unethical to manipulate in an experimental study. 
C)  Correlational studies tend to be more accurate than experiments. 
D)  Correlational research can be used to study direct relationships, but not inverse or indirect relationships.