Random assignment helps ensure that potential differences among participants are spread out across all experimental conditions.

Question

Quizplus · Accepted Answer

Random assignment is a process by which participants are assigned to the different experimental conditions at random, which helps to ensure that any potential differences among participants (such as age or gender) are spread out evenly across all the groups. This increases the internal validity of the experiment by reducing the likelihood that differences among participants are responsible for any observed effects.

Random Assignment Helps Ensure That Potential Differences Among Participants Are