-In the Accompanying Figure, the Primary Key for the Vist

question 23

Multiple Choice

-In the accompanying figure, the primary key for the Vist table is the ____ field.

• A) PatientID
• B) VisitDate
• C) Reason
• D) VisitID

---

Definitions:

Interaction Effect

A statistical phenomenon where the effect of one independent variable on a dependent variable varies depending on the level of another independent variable.

Random Sample

A subset of a population selected through a method where every individual has an equal chance of being chosen, ensuring the representativeness of the sample.

Target Population

The entire group of individuals or instances about whom the research is focused and to whom the researcher wishes to generalize the study findings.

Systematic Bias

A consistent and predictable error introduced into sampling or testing by selecting or encouraging one outcome or answer over others.