Establishing a causal relationship requires use of a rigorous experimental design.

Question

Quizplus · Accepted Answer

This statement is true. A causal relationship between two variables can only be established through a well-designed experiment that includes control groups, randomization, and manipulation of the independent variable. Correlation does not equate to causation, and observational studies cannot establish a cause-and-effect relationship.

Establishing a Causal Relationship Requires Use of a Rigorous Experimental