An advantage of correlational studies is that they
A) focus on an individual or small groups in depth.
B) isolate cause-effect relationships between variables.
C) indicate the strength of relationship between variables.
D) provide for control of extraneous variables.

Question

Quizplus · Accepted Answer

Correlational studies are useful because they provide a measure of the strength of the relationship between two variables, usually expressed as a correlation coefficient. However, they do not isolate cause-effect relationships or control extraneous variables as experimental studies do, and they do not focus on individuals or small groups in depth.

An Advantage of Correlational Studies Is That They