In Correlational Studies, a Number of Factors May Vary Together

question 3

True/False

In correlational studies, a number of factors may vary together, so that the results are confounded.

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Definitions:

Neurons

Specialized neurons in the nervous system that convey information to other neurons, muscle cells, or glands mostly via electrical and chemical signals.

Astroglia

Star-shaped glial cells in the brain and spinal cord that play roles in supporting neurons and maintaining the biochemical environment of the neural tissue.

Blood-Brain Barrier

A selective semi-permeable border of endothelial cells that protects the brain by preventing certain substances in the bloodstream from entering brain tissue.

Expansion

The process of increasing in size, volume, quantity, or scope.