The Use of Only College Students, Volunteers, or Participants from One

question 9

Multiple Choice

The use of only college students, volunteers, or participants from one locale _____ the _____ validity of a study.

• A)enhances; internal
• B)weakens; external
• C)enhances; external
• D)weakens; internal

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Definitions:

Gain Or Loss

The financial result of selling an asset or investment for more or less than its purchase price, respectively.

Rate Of Yield

From an investment in stock, the ratio of the dividend to the total cost of the stock.

Preferred Stock

A class of ownership in a corporation that has a higher claim on assets and earnings than common stock, usually with fixed dividends.

Par

A value assigned the shares of capital stock and stated on the stock certificate.