If We Choose Participants in Such a Way That Our

question 134

Multiple Choice

If we choose participants in such a way that our groups are not equal before the experiment, we have which of the following threats to internal validity?

• A) Selection
• B) History
• C) Testing
• D) Maturation

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Definitions:

Support Department

A department that provides a necessary service to produce a product but is not directly involved in the production process. Also known as a service department.

Human Resources Department

The division of a business that is focused on activities relating to employees, including hiring, training, and benefits management.

Investment Center

A decentralized unit in which the manager has the responsibility and authority to make decisions that affect not only costs and revenues but also the fixed assets invested in the center.

Plant Assets

Physical resources that are owned and used by a business and are permanent or have a long life; long-term or relatively permanent tangible assets such as equipment, machinery, and buildings that are used in normal business operations.