How Do Researchers Examine an IQ Test for Possible "Bias

question 127

Multiple Choice

How do researchers examine an IQ test for possible "bias"?

• A)See whether the test includes any items that most people fail to answer correctly.
• B)See whether scores of one or more groups has been increasing over time.
• C)See whether the test scores inaccurately predict the performance of some group.
• D)See whether members of one group get higher scores than another, on average.

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Definitions:

Operating Leverage

Operating leverage is a measure of how revenue growth translates into growth in operating income, highlighting the scalability of a company’s business model.

Variable Costs

Expenses that vary in relation to the amount of output or business operations.

Fixed Costs

Business expenses that remain constant, regardless of the level of production or sales activity.

Break-even Sales

The amount of revenue from sales that equals the total of variable and fixed costs, with no profit or loss.