A Researcher Wishes to Study the Effects of a Concentrated

question 19

Multiple Choice

A researcher wishes to study the effects of a concentrated remedial reading program on the reading achievement of disadvantaged children.A large number of children are available for assignment to groups.Since intelligence is an important relevant variable in any research on reading, the investigator wants to make sure that it is controlled as well as the reading pretest scores.What would be the most effective way for the researcher to control these variables?

• A) Set up groups and then check to make sure that there are no significant differences between the groups on intelligence and reading pretest scores.
• B) Randomly assign children to experimental and control groups.
• C) Match the children on intelligence test and reading pretest scores and then randomly assign the matched pairs to experimental and control groups.
• D) Randomly assign children to experimental and control groups and use intelligence test and reading pretest scores in an analysis of covariance.

---

Definitions:

Unsecured Liabilities

Debts or obligations that do not have specific assets pledged as collateral in case of default.

Federal Income Taxes

Taxes levied by the national government on annual income earned by individuals, corporations, trusts, and other legal entities.

Bankruptcy

A legal proceeding involving a person or business that is unable to repay outstanding debts.

Financial Affairs

The management and analysis of money, investments, and other financial instruments by individuals or entities.