Which of the following sleep-wake disorders is most likely to remain stable over time?
a. night waking
b. nightmares
c. sleep onset
d. regulatory
Question 2
Analogue studies are used when researchers ____.
a. are unable to use an experimental design
b. are able to use only a single subject who must act as his or her own control
c. are unable to recruit a sufficient number of human participants
d. cannot practically or ethically observe behaviors as they occur in real life