A researcher can claim that the independent variable caused the results only by:
A)proving that the experiment has high external validity.
B)eliminating competing, alternative explanations.
C)eliminating experimental control and randomization.
D)keeping the dependent variable constant.

Question

Quizplus · Accepted Answer

By eliminating competing, alternative explanations, the researcher can be confident that the changes in the dependent variable were indeed caused by the manipulation of the independent variable. This is a crucial aspect of establishing causality in experimental research.

A Researcher Can Claim That the Independent Variable Caused the Results