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Why Is Internal Validity the Most Important Property of Any

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Why is internal validity the most important property of any experiment?


Definitions:

Spinal Reflex

An automatic response controlled by the spinal cord without conscious brain involvement.

Sympathetic Nervous System

The sympathetic nervous system is a part of the autonomic nervous system that prepares the body for physical activity by accelerating the heart rate, constricting blood vessels, and raising blood pressure.

Conserve Energy

Efforts or strategies aimed at reducing the consumption of energy to save resources and reduce environmental impact.

Somatic Nervous System

A part of the peripheral nervous system that controls voluntary movements of the body by transmitting signals from the brain to the muscles.

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