Which of the Following Statements Is True of the Nonexperimental

question 54

Multiple Choice

Which of the following statements is true of the nonexperimental method?

• A)With the nonexperimental method, one variable is manipulated and the other is then measured.
• B)The problem of direction of cause and effect is not the most serious drawback to the nonexperimental method.
• C)Both variables can be directly manipulated and controlled to arrive at results.
• D)It eliminates the influence of all potential confounding third variables on the dependent variable.

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Definitions:

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles.

Pituitary Gland

A small endocrine gland in the brain that produces hormones which regulate vital body functions and other endocrine glands.

Glutamate

An important neurotransmitter in the brain involved in learning, memory, and the regulation of the nervous system.

Excitatory Neurotransmitter

A type of neurotransmitter that promotes the generation of an electrical signal called an action potential in receiving neurons.