Samir Is Conducting a Correlational Study,and He Cannot Determine Whether

Multiple Choice

Samir is conducting a correlational study,and he cannot determine whether one variable causes another.One reason for this indetermination is that the additional variables that he did not study could influence the variables he did study.This result reflects the problem with:

A) selection bias
B) response accuracy
C) the third variable problem
D) the occurrence of random error