Comparison Groups Are Best Chosen in Order to Control for

question 9

Multiple Choice

Comparison groups are best chosen in order to control for

• A) specific threats to internal validity relevant to a particular evaluation setting.
• B) all possible threats to internal validity.
• C) unauthorized tampering with the administration of the outcome variables by worried staff members.
• D) sample size variations.

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Definitions:

Hinged Instruments

Medical or surgical tools that have a pivot or a joint, allowing parts of the instrument to move in relation to each other, facilitating their use.

Healthcare Facility

A place where health care services are provided to patients, such as hospitals, clinics, long-term care facilities, and outpatient centers.

Infection

An occurrence where foreign microorganisms such as bacteria, viruses, and parasites begin to enter and multiply within the body where they are typically absent.

Surgical Site Infections

Infections that occur after surgery in the part of the body where the surgery took place, potentially causing significant complications.