When Using More Than One Predictor Variable, _________ Tells Us

question 100

Multiple Choice

When using more than one predictor variable, _________ tells us the proportion of variance accounted for b y the predictor variables.

• A) r
• B) ΣS _X
• C) ΣS _Y
• D) R ²

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Definitions:

Hypnagogic Sensations

Experiences occurring at the onset of sleep, including visual, auditory, or physical sensations that can seem vividly real.

Alpha Wave

A type of brainwave detected by an EEG that occurs when a person is relaxed, but alert, typically with closed eyes.

Sleep-Inducing Hormone

Melatonin, a hormone produced by the pineal gland that regulates sleep and wakefulness.

Melatonin

A chemical substance secreted by the pineal gland in reaction to lack of light, which controls the rhythm of sleeping and waking.