In an Experiment, Manipulation of the Independent Variable Requires ____

question 60

Multiple Choice

In an experiment, manipulation of the independent variable requires ____.

• A) creating one treatment condition defined by one level of the independent variable
• B) creating at least two treatment conditions defined by two different levels of the independent variable
• C) creating at least three treatment conditions defined by three different levels of the independent variable
• D) measuring two separate variables to determine how they are related

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Definitions:

Myelinated

Refers to nerve fibers that are covered with a fatty substance called myelin, which increases the speed at which electrical signals (nerve impulses) are passed along the nerve.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Unmyelinated

Describing nerve fibers that lack a myelin sheath, affecting the speed and manner in which nerve impulses are conducted.

Paraplegia

A condition involving the partial or total loss of motor function in the lower half of the body, typically resulting from injury or disease of the spinal cord.