Which of the following ensures that the treatment assignment occurs in an unbiased fashion and will on average result in a balanced distribution of both known and unknown confounders if the sample size is large enough?
A) Matching
B) Restriction
C) Randomization
D) Literature review

Question

Quizplus · Accepted Answer

Randomization is a process used in experimental design to assign participants to different groups using random methods, ensuring that each participant has an equal chance of being assigned to any group. This helps to balance both known and unknown confounders across groups, especially with large sample sizes.

Which of the Following Ensures That the Treatment Assignment Occurs