A Study in Which Neither the Participant nor the Researcher

question 17

Multiple Choice

A study in which neither the participant nor the researcher knows who is using a product or placebo is termed ________.

• A) Double-blind
• B) Blind
• C) Cross-over
• D) Double cross-over
• E) None of the above

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Definitions:

Hominoids

A group within the order of primates that includes apes and humans, characterized by greater mobility of the shoulder joint and absence of a tail.

Genus Pongo

The taxonomic group that includes the great apes known as orangutans, native to Indonesia and Malaysia.

Orangutans

Large apes native to Indonesia and Malaysia, known for their red-brown hair and highly intelligent, solitary behavior.

Placenta

The partly fetal and partly maternal organ whereby materials are exchanged between fetus and mother in the uterus of placental mammals.