The Internal Validity Threat That Randomization Eliminates in an Experimental

question 91

Multiple Choice

The internal validity threat that randomization eliminates in an experimental study is

• A) selection bias.
• B) subject effects.
• C) instrumentation.
• D) history.

---

Definitions:

Legal Principles

Foundational rules or concepts that guide the legal system and the administration of justice.

Accreditation

The formal recognition provided to an institution or program for meeting predefined standards.

Operative Procedure

Any medical operation carried out to diagnose or treat illness or injury, involving direct manipulation or surgery on the body.

Consent Form

A document that is signed by a patient or participant, giving official permission for a medical procedure, treatment, or participation in a study.