The random assignment of subjects to two or more experimental groups tends to pr
ID: 3338002 • Letter: T
Question
The random assignment of subjects to two or more experimental groups tends to produce groups that area) noticeably different at the end of the experiment B) noticeably different at the onset of the experiment C) equal at the onset of the experiment D) similar at the onset of the experiment E) none of the above The random assignment of subjects to two or more experimental groups tends to produce groups that are
a) noticeably different at the end of the experiment B) noticeably different at the onset of the experiment C) equal at the onset of the experiment D) similar at the onset of the experiment E) none of the above
a) noticeably different at the end of the experiment B) noticeably different at the onset of the experiment C) equal at the onset of the experiment D) similar at the onset of the experiment E) none of the above
Explanation / Answer
(D) is correct.
Random distribution tends to remove any systematic or pattern type difference at the beginning of the experiment.
It aims to divide into similar subjects into similar type.
The intention is that at the end of the experiment there should be no role of assignment or classification in the outcome.
Hence (D) is correct.