In General, a Zero Correlation Means

question 31

Multiple Choice

In general, a zero correlation means

• A)as the values of one variable increase, there is no tendency for the values of the other variable to change in any consistent, predictable fashion.
• B)as the values of one variable increase, there is a tendency for the values of the other variable also to increase.
• C)as the values of one variable increase, there is a tendency for the values of the other variable to decrease.
• D)as the values of one variable decrease, there is a tendency for the values of the other variable also to decrease.

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Definitions:

Delta Waves

Low frequency brain waves that indicate deep sleep or meditation.

Alpha Waves

Brainwave patterns associated with a state of wakeful relaxation.

Sleep Spindles

Bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of non-REM sleep, often associated with learning, memory, and the brain's ability to reorganize itself.

Sleep Patterns

The habitual resting and waking rhythm that determines when one sleeps and the quality and duration of sleep.