In a Test of the Effects of Air Pollution,groups of Students

question 499

Multiple Choice

In a test of the effects of air pollution,groups of students performed a reaction-time task in a polluted or an unpolluted room. To what condition were students in the unpolluted room exposed?

• A)experimental
• B)control
• C)randomly assigned
• D)dependent

---

Definitions:

Dividend Yield

Dividend yield is a financial ratio that shows how much a company pays out in dividends each year relative to its stock price.

Capital Gains Yield

The percentage increase in the market price of an asset over time, excluding dividends.

Annual Dividend

The total dividend payments issued to shareholders by a company in a year.

Risk Premium

The return in excess of the risk-free rate of return that an investment is expected to yield, compensating investors for taking on additional risk.