Author Question: People who experience posttraumatic stress disorder are at high risk of experiencing ____, which ... (Read 159 times)

elizabeth18 · **on:** Jun 19, 2018

People who experience posttraumatic stress disorder are at high risk of experiencing ____, which occur(s) during REM sleep and may be treatable with imagery therapy.

a. sleep terror disorder
b. insomnia
c. sleepwalking
d. nightmares

Question 2

In a variable-interval schedule, reinforcement is provided after a _____.

A) fixed number of correct responses are made
B) random number of correct responses are made
C) random amount of time has passed
D) fixed amount of time has passed