Random Assignment to Groups Is a Critical Part of the Methodology

question 93

Multiple Choice

Random assignment to groups is a critical part of the methodology in controlled design experiments because each participant has

• A) an equal opportunity of being assigned to either group.
• B) benefit of the treatment intervention.
• C) an equal opportunity of being part of the analogue sample.
• D) an ethical right to be a member of either group.

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Definitions:

Sebaceous Glands

Small oil-producing glands in the skin that secrete sebum to lubricate the skin and hair.

Milia

Tiny, white, keratin-filled cysts that form under the skin, often appearing on the face.

Lanugo

Fine, soft hair, especially that which covers the body and limbs of a human fetus or newborn.

Notochords

A flexible rod-shaped structure that provides support in all embryonic and some adult chordate animals.