Which of the following is the best description of a randomized experiment?
A) an experiment in which the outcomes are random
B) an experiment in which the investigators are chosen at random
C) an experiment in which the treatments are assigned randomly to experimental units
D) an experiment in which the experimental units are selected at random

Question

Quizplus · Accepted Answer

A randomized experiment is characterized by the random assignment of treatments to the experimental units. This method is used to ensure that each unit has an equal chance of receiving any given treatment, thereby reducing bias and allowing for the causal inference of the treatment effects.

Which of the Following Is the Best Description of a Randomized