In a randomized experiment, if there are large differences in outcomes among the treatment groups, we can conclude that the differences are due to_____________________.
A)deliberate data manipulation
B)experimental error
C)random luck
D)the treatments

Question

Quizplus · Accepted Answer

In a well-designed randomized experiment, the purpose is to isolate the effect of the treatments from other variables. Therefore, if large differences in outcomes among the treatment groups are observed, it is logical to conclude that these differences are due to the treatments themselves, assuming the experiment was properly conducted and other sources of bias or error were controlled for.

In a Randomized Experiment, If There Are Large Differences in Outcomes