Which of the Following Correctly Identifies a Similarity Between a Correlational

Multiple Choice

Which of the following correctly identifies a similarity between a correlational study and the differential research design?

A) Both establish the existence of a relationship by demonstrating a difference between groups.
B) Both use one of the two variables to create groups of participants.
C) Both involve two groups with one score for each participant.
D) Both demonstrate the existence of a relationship between two variables.