Question

A study of sleep patterns randomly selected participants in the study to sleep in either a dark room or a room with light.

Which element of experiment design is known to be a part of this study?

A.
blinding

B.
replication

C.
randomization

Answer 1

the answer is c: randomization

Answer 2

C. randomization

Explanation:

We are told that the study randomly selects participants in the study to sleep in either a dark room or a room with light. This means that randomization is part of the study.