In the Mid-1990s, a Study Was Conducted to Determine If

question 44

Multiple Choice

In the mid-1990s, a study was conducted to determine if arthroscopic surgery was an effective treatment for arthritis of the knee.Ten men were scheduled for surgery and each patient was anesthetized.But, after each patient was unconscious, the surgeon consulted a randomly generated code to determine whether to do the actual surgery, or to perform a "sham" surgery (make three small incisions in the knee, stitch the patient up, and leave a small scar) .This is best described as a(n) _________________ study.

• A) voluntary
• B) observational
• C) medical
• D) experimental

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Definitions:

Monosyllabic

Referring to words composed of a single syllable, often used to describe languages or speech patterns.

Polysyllabic

Describing words that contain more than one syllable, indicating a complexity in pronunciation or linguistic structure.

Bronze

An alloy of copper and tin, known for its hardness and durability, used historically for making tools, weapons, and sculptures.

Copper

A chemical element with the symbol Cu and atomic number 29, known for its high electrical and thermal conductivity, and widely used in electrical wiring and coinage.