In an Experiment, Participants Are Randomly Assigned to Treatment Conditions

question 3

Multiple Choice

In an experiment, participants are randomly assigned to treatment conditions ____.

• A) to help protect the internal validity of the study
• B) to help protect the external validity of the study
• C) to help protect both the internal and external validity
• D) as an alternative to manipulation of variables

---

Definitions:

Interact

To communicate or act together in a way that affects or influences each other, often used in reference to individuals or systems.

Robert Louis Stevenson

A Scottish novelist, poet, and travel writer, famous for works like Treasure Island and Strange Case of Dr Jekyll and Mr Hyde.

Lives

The existence of individuals or organisms characterized by growth, reproduction, and the capacity for change and adaptation in their environment.

Selling

The act of exchanging a product or service for money or other compensation.