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

Question

Quizplus · Accepted Answer

A randomized block design separates subjects into groups (blocks) that are similar in some way but differ in ways that might affect the outcome, allowing for more accurate comparisons within each block.

Which Type of Experiment Separates Subjects into Groups That Are