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.

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Definitions:

Impaired Physical Mobility

A decreased ability to move freely and independently, which may affect daily activities and quality of life.

Expected Outcome

The anticipated result or effect of a treatment or medical intervention, based on clinical knowledge and patient history.

Ambulate

To walk or move from one place to another, especially pertaining to patients' ability to do so.

Discharge Planning

The process of coordinating and planning for a patient's care needs and support after leaving a healthcare facility.