To evaluate questions of causality, scientists must conduct
A) relational research.
B) experimental research.
C) laboratory research.
D) descriptive research.

Question

Quizplus · Accepted Answer

Experimental research is the best way for scientists to establish causality between variables because it involves manipulating an independent variable and measuring the effect on a dependent variable while controlling for extraneous variables. Relational, laboratory, and descriptive research cannot establish causality as effectively as experimental research.

To Evaluate Questions of Causality, Scientists Must Conduct