Research Participants Are Randomly Assigned to Different Groups in an Experiment

question 53

Multiple Choice

Research participants are randomly assigned to different groups in an experiment in order to

• A) minimize chances that participants in any group know each other.
• B) increase chances that participants are representative of people in general.
• C) minimize any differences between groups of participants.
• D) increase chances that the different groups have the same number of participants.

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Definitions:

Aldosterone

A steroid hormone secreted by the adrenal cortex that regulates salt and water balances in the body, influencing blood pressure.

Hypokalemia

A condition characterized by lower than normal levels of potassium in the bloodstream.

Hyponatremia

A condition characterized by low levels of sodium in the blood, which can result in numerous health issues including confusion, seizures, and coma.

Adrenal Cortex

The adrenal cortex is the outer layer of the adrenal glands, located above the kidneys, and it secretes hormones like cortisol, aldosterone, and androgens, playing key roles in stress response, metabolism, and blood pressure regulation.