In a Between-Subjects Experiment,if the Participants in One Group Are

question 27

True/False

In a between-subjects experiment,if the participants in one group are noticeably older than the participants in another group,then participant age is a confounding variable and threatens the internal validity of the experiment.​

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Definitions:

Stage 2 Sleep

A part of the sleep cycle characterized as the first actual stage of non-REM sleep, involving slowing heart rate and brainwaves, and preparation for deep sleep.

K Complexes

Specific brainwave patterns observed during stage 2 sleep, characterized by a brief surge of high voltage brain activity.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by active brain waves, flaccid muscles, and vivid dreams.

REM Sleep

A stage of sleep characterized by rapid eye movement, low muscle tone, and vivid dreams; considered important for memory and learning.