Which of the following is part of an experiment but NOT part of a correlational study?
A)A case history
B)Careful avoidance of independent variables
C)Random assignment to groups
D)Operational definitions

Question

Which of the following is part of an experiment but NOT part of a correlational study?​
A)A case history
B)​Careful avoidance of independent variables
C)​Random assignment to groups
D)​Operational definitions

Quizplus · Accepted Answer

Random assignment to groups is a crucial component of experiments but is not relevant for correlational studies which do not involve manipulation of variables. The other options (A, B, D) are common to both experiments and correlational studies.

Which of the Following Is Part of an Experiment but NOT