The Use of Controls and Statistical Testing Are Two Aspects

question 37

Multiple Choice

The use of controls and statistical testing are two aspects of experimental design that help to ensure __________.

• A) an adequate sample size
• B) objective and reliable results
• C) experimental bias
• D) psychosomatic effects
• E) treatment groups

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Definitions:

Erection

The process by which erectile tissue fills with blood and becomes firm, typically in response to sexual arousal.

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.