The Following Does Not Represent a Threat to Internal Validity

question 17

Multiple Choice

The following does not represent a threat to internal validity of randomized controlled experiments:

• A)attrition.
• B)failure to follow the treatment protocol.
• C)experimental effects.
• D)a large sample size.

---

Definitions:

Authority

The authority to command, decide, and ensure compliance.

Custom

A traditional and widely accepted way of behaving or doing something specific to a particular society, place, or time.

Apparent Authority

The appearance or assumption of authority given to an agent, employee, or representative by the actions or statements of the principal, leading third parties to believe the agent has such authority.

Actual Authority

The express and implied powers given to an agent by a principal, allowing the agent to act on behalf of the principal.