In an Experiment Comparing Two Treatments,the Researcher Assigns Participants to Treatment

question 43

Multiple Choice

In an experiment comparing two treatments,the researcher assigns participants to treatment conditions so that each condition has 15 seven-year-old children and 10 eight-year-old children.For this study,what method is being used to control participant age?

• A)​randomization
• B)​matching
• C)holding constant
• D)​limiting the range

---

Definitions:

Pseudonyms

Fictitious names used by authors, performers, and other public figures to conceal their identity.

Interstate Commerce

Interstate commerce refers to the purchase, sale, or exchange of commodities, transportation of people, money or goods, and navigation of waters between different states.

Expressly Grants

Specifically provides or allocates rights, powers, or privileges in an explicit manner.

Constitution

The fundamental principles and laws of a nation, state, or social group that determine the powers and duties of the government and guarantee certain rights to the people.