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The nonequivalent comparison group design can yield several possible outcomes. A possible outcome of the non-equivalent comparison group design is that the groups differ on the pretest and both groups improve on the posttest, but to different degrees. This could reflect the fact that the independent variable had an effect on the experimental group. It could also reflect
Sleep Latency
The duration of time it takes for a person to transition from full wakefulness to sleep.
Delta Sleep
Refers to deep sleep, during which there is no eye movement or muscle activity. This phase is also known as slow-wave sleep.
REM Sleep
A phase of sleep involving rapid eye movements, where dreaming and increased brain activity occur.
Parasomnia
A category of sleep disorders that involve abnormal and unnatural movements, behaviors, emotions, perceptions, and dreams.
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