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.​

---

Definitions:

Social Proof

The psychological phenomenon where people assume the actions of others in an attempt to reflect correct behavior for a given situation.

Scarcity

A condition where resources are limited in comparison to the desires or needs.

Credibility

The quality of being trusted and believed in, often resulting from a demonstrated record of reliability and integrity.

Reciprocity

Reciprocity is a social norm that involves mutual exchange, where actions or benefits provided by one party are returned by another.