Wiley's Study Described the Achievement Test Scores and Reading Grades

question 32

Multiple Choice

Wiley's study described the achievement test scores and reading grades of a cross-sectional sample of elementary school students. He took the students' scores on an achievement test and divided the students into three groups based on their scores: high, medium, and low. He then described the reading scores of the students in the three groups. Why did he do this?

• A) To turn his study into an experiment by having a categorical independent variable
• B) Because every research study has to have a categorical variable
• C) To create a categorical variable from a quantitative variable
• D) To create a quantitative variable from a categorical variable

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Definitions:

Marginal Ordinary Income Tax Rate

The rate at which the next dollar of taxable income is subjected to tax, applying to ordinary income such as wages and salaries.

Tax Rate

The percentage at which income or financial transactions are taxed by the government.

Compensation

Compensation encompasses the payment or benefit given to employees and executives, including salaries, wages, bonuses, and other perks.

Exempt Income

Income that is not taxable under federal or state tax law.