To Make Sure That Groups of Participants in an Experiment

question 157

Multiple Choice

To make sure that groups of participants in an experiment are not generally different from each other before the experiment begins, the experimenter ____.

• A) uses an objective observer to assign participants to groups
• B) uses random assignment to assign participants to groups
• C) assigns participants to groups by himself or herself without interference by anyone else
• D) assigns participants to groups on the basis of an unimportant trait such as hair color

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Definitions:

Net Income

The final amount of money a company makes after taking away all expenses, including taxes and the costs of operation, from the total income.

Owner Drawings

Amounts withdrawn by the owner of a business for personal use, reducing the owner's equity in the business.

Revenues

The income earned from normal business operations and includes discounts and deductions for returned merchandise.

Expenses

Expenses refer to the outflow of money to another person or company to pay for an item or service, or for costs necessary to operate a business.