What Is the Purpose of a Control Group in Experimental

question 87

Multiple Choice

What is the purpose of a control group in experimental research?

• A) to reduce demand characteristics
• B) to determine whether a independent variable actually caused a change in the dependent variable
• C) to keep constant the level of the independent variable being tested in the treatment group
• D) to control all the factors that might affect the treatment outcome

---

Definitions:

Trade

The exchange of goods and services between individuals or entities, often in exchange for money.

Tariff

A tax imposed on imported goods and services, aimed at making foreign products more expensive and protecting domestic industries.

Carnations

A type of flower known for its bright colors and sweet fragrance, often used in bouquets and floral arrangements.

Size

The physical dimensions, magnitude, or extent of an object or entity.