In an Experiment Examining the Effects of Background Noise on People's

question 43

Multiple Choice

In an experiment examining the effects of background noise on people's ability to understand a verbal message, one group of participants is given a comprehension quiz after listening to a passage being read to them with no background noise. A week later, the same group of participants is given a comprehension quiz after listening to a passage being read to them with 60 decibels of conversation as background noise. This is an example of a ____ design.

• A) single-subjects
• B) between-subjects
• C) within-subjects
• D) matched groups

---

Definitions:

Preferred Stock

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

Return on Investment

A measure of the profitability and efficiency of an investment, calculated by dividing the gain from the investment by its cost.

EDGAR

The Electronic Data Gathering, Analysis, and Retrieval system used by the United States Securities and Exchange Commission (SEC) for the submission of corporate filings.

FINRA

The Financial Industry Regulatory Authority, a non-governmental organization that regulates member brokerage firms and exchange markets in the United States.