In order to test causal hypotheses, the researcher must use ____.
A) case studies
B) experiments
C) naturalistic studies
D) correlational studies

Question

Quizplus · Accepted Answer

Experiments are the best choice for testing causal hypotheses because they allow manipulation of the independent variable and control of extraneous variables to determine if changes in the independent variable cause changes in the dependent variable. Correlational studies can only determine if there is a relationship between variables, but not if one causes the other. Case studies and naturalistic studies are descriptive in nature and cannot provide evidence for causality.

In Order to Test Causal Hypotheses, the Researcher Must Use