Tess agrees to sleep in a laboratory for three nights so that researchers can obtain information about her brain and muscle activity during sleep.She is taking part in a _______________ study.
A)single-blind
B)double-blind
C)naturalistic observation
D)laboratory observation

Question

Quizplus · Accepted Answer

Tess is sleeping in a laboratory, which indicates that she is taking part in a laboratory observation study. Options A and B refer to experimental design where either the participant or the researcher is blinded. Option C involves observing people in their natural setting, which is not the case here.

Tess Agrees to Sleep in a Laboratory for Three Nights