__________ allows researchers to rule out differences among participants as the cause of differences in the dependent variable.

Question

Quizplus · Accepted Answer

Random assignment ensures that participants are assigned to groups in a way that minimizes pre-existing differences among them, such as age or gender. This allows researchers to be more confident that any differences in the dependent variable (the outcome being measured) are due to the manipulation of the independent variable(s) and not differences in the participants themselves.

__________ Allows Researchers to Rule Out Differences Among Participants as the Cause