Vanessa claims that she sleeps better when she falls asleep to music. She has a comparison group because she has noticed that she does not listen to music every night, only when she remembers to charge her iPod. She typically remembers to charge her iPod on nights when she is able to finish studying earlier. What problem do you see in Vanessa's reasoning about sleeping better to music?
A)Vanessa may be sleeping better because she is less distracted by studying/going to bed sooner.
B)Vanessa's belief that she sleeps better with music is not falsifiable.
C)Vanessa is biased because she sleeps in the same bed every night.
D)There is no problem with Vanessa's reasoning.

Question

Quizplus · Accepted Answer

Vanessa's belief that music helps her sleep better may not be accurate as there is another variable (finishing studying earlier) that is affecting her sleep quality. Therefore, it is not clear whether it is the music or the lack of distraction that is helping her sleep better.

Vanessa Claims That She Sleeps Better When She Falls Asleep