Astudy 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

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.