When We Test for the Differences Between Two Groups,the Null

question 67

True/False

When we test for the differences between two groups,the null hypothesis is that the difference in the two groups' population parameters is more than 30.

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Definitions:

REM Rebound

A phenomenon where there is an increase in the amount of REM sleep after being deprived of sleep, especially in the context of REM sleep deprivation.

Hallucinations

False sensory experiences, such as seeing something in the absence of an external visual stimulus.

Night Terrors

A sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during N3 sleep, within two or three hours of falling asleep, and are seldom remembered.

Sleep Spindles

Bursts of brain activity visible on an EEG that occur during stage 2 of sleep, thought to be related to learning and memory.