Which of the Following Threats to Internal Validity Is Controlled

question 25

Multiple Choice

Which of the following threats to internal validity is controlled in the nonequivalent control group design?

• A) testing.
• B) additive effect of selection and testing.
• C) additive effect of selection and history.
• D) differential regression.

---

Definitions:

Public Trust

The degree of confidence that the public has in the capability, integrity, and efficiency of organizations, institutions, or government to fulfill their responsibilities.

Well Informed

Having or showing a broad knowledge of facts acquired through education or experience.

Do No Harm Principle

A guiding ethical imperative aimed at avoiding the infliction of harm or suffering on others.

Liberty

The state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views.