Suppose a Case Management Program Is Established to Reduce Rehospitalization

question 2

Multiple Choice

Suppose a case management program is established to reduce rehospitalization rates in a hospital and that those rates drop dramatically once the new program is established. We can conclude that:​

• A) ​research has demonstrated an effective approach to practice.
• B) causality cannot be inferred because time order was not established.​
• C) another event occurring during the time of the study might explain away the change.​
• D) the absence of covariation threatens the internal validity of any causal inferences.​

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Definitions:

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.

Diastolic Pressure

The blood pressure measured when the heart's chambers are refilling with blood, representing the lowest pressure in the cardiovascular system during the cardiac cycle.

Hypothalamic Response

The reaction of the hypothalamus, a region of the brain, to stimuli, influencing processes such as temperature regulation, hunger, thirst, and stress.

Corticosteroids

A class of steroid hormones that are used in medicine to treat a wide range of conditions, including inflammation and autoimmune diseases.