Which type of experiment separates subjects into groups that are similar but differ in ways that might affect the outcome of the experiment?
A) Completely randomized design
B) Randomized block design
C) Matched pairs design
D) Rigorously controlled design

Question

Quizplus · Accepted Answer

A randomized block design separates subjects into groups (blocks) that are similar in some way that is expected to affect the outcome, allowing for more precise comparisons within each block.

Which Type of Experiment Separates Subjects into Groups That Are