A Correlation of _____ Would Mean That a High Score

question 27

Multiple Choice

A correlation of _____ would mean that a high score on one variable has an analogous low value on the opposite variable.

• A) 1.0
• B) -1.0
• C) 0.5
• D) 0

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Definitions:

Arachnoid Granulations

Small protrusions of the arachnoid membrane through the dura mater; they allow cerebrospinal fluid to enter the venous system.

Blood-brain Barrier

The blood-brain barrier is a selective barrier that prevents most substances in the blood from entering the brain, protecting it from pathogens and toxins.

Myelin Sheath

Envelope surrounding most axons; formed by Schwann cell membranes being wrapped around the axon.

Circle of Willis

A circular network of arteries at the base of the brain that supplies blood to the brain and surrounding structures.