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

question 19

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 then 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:

Earnings Per Share

A measure of a company's profitability calculated by dividing its net income by the number of its outstanding shares.

Stock Splits

An action by a company to divide its existing shares into multiple ones to boost the stock's liquidity, though the company's overall market value stays the same.

Earnings Per Share

A company's net profit divided by the number of its outstanding shares, indicating the amount of money each share would receive if all profits were distributed.