Jennifer Wants to See If the Color of the Testing

question 188

Multiple Choice

Jennifer wants to see if the color of the testing room causes test anxiety.She asks 100 participants to come to a modified classroom,and as they walk in,she asks each person to choose either a testing cubicle painted bright red or a testing cubicle painted off white.On the basis of their choices,participants spend 20 minutes in one or the other cubicle solving challenging math problems.Then,they complete a survey asking them questions about how anxious they were during the math test.What's wrong with Jennifer's experiment?

• A)She didn't choose an independent variable.
• B)She didn't measure a dependent variable.
• C)She didn't randomly assign participants to the experimental and control groups.
• D)She didn't expose participants to both colors.

---

Definitions:

Return on Total Assets

A financial ratio that measures the profitability of a company in relation to its total assets.

Income Tax Rate

The percentage at which an individual or corporation is taxed on their income.

Interest Expense

The cost incurred by an entity for borrowed funds, typically reported on the income statement as a non-operating expense.

Net Profit Margin Percentage

A financial metric expressing the percentage of revenue remaining after all operating expenses, interest, taxes, and preferred stock dividends have been deducted from a company's total revenue.