Random assignment helps ensure

Question

Quizplus · Accepted Answer

Random assignment helps to ensure the similarity of treatment groups prior to the treatment. This is important in order to minimize the impact of extraneous variables that could affect the outcome of the study. Choices A and C are incorrect because random assignment does not address cohort or age effects specifically. Choice B is incorrect because random assignment actually helps to prevent differences between treatment groups prior to the treatment.

Random Assignment Helps Ensure