Brain activity that characterizes stage 1 sleep is known as _________
a) theta waves
b) REM
c) alpha waves
d) beta waves
e) delta waves
Answer: A
Psychology
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Mental activities that differ noticeably from normal waking consciousness are known as ______
a) hyperconsciousness b) unconscious states c) relaxed wakefulness d) altered states of consciousness
Psychology
When a number of experimental participants from different groups drop out of study at different
rates, this describes: A) mortality B) selection C) drop-out D) maturation
Psychology