In an Experiment,the Independent Variable Is the Variable That

question 130

Multiple Choice

In an experiment,the independent variable is the variable that

• A) is hidden or unknown.
• B) changes over time.
• C) is measured by the researcher.
• D) is deliberately manipulated by the researcher.

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Definitions:

Narcotics

Drugs that relieve pain, induce sleep, and can alter mood or behavior, often leading to dependency or addiction.

Occipital Lobe

The occipital lobe is the cerebral cortex region in the back of the brain, responsible for processing visual information from the eyes.

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for transmitting information throughout the body.

Nicotine

A stimulant drug found in tobacco products that is highly addictive and affects the nervous system.