An experiment is a test of the
A) Causal relationship between two variables.
B) Difference between existing groups.
C) Correlation between two variables.
D) Natural flow of behavior.
Question 2
When we say that the relationship between two variables may be caused by a third variable, we are
A) Specifying what the third variable is.
B) Employing faulty reasoning.
C) Specifying that there can be only three interpretations.
D) Often not specifying what that third variable is.