By randomly assigning subjects to treatment levels,randomization spreads potential effects of lurking variables roughly evenly across treatment levels.

Question

Quizplus · Accepted Answer

Randomization in experiments helps to evenly distribute the effects of lurking variables (unobserved variables that could influence the outcome) across all treatment groups, minimizing their potential bias on the results.

By Randomly Assigning Subjects to Treatment Levels,randomization Spreads Potential Effects