What is a model in theoretical terms?

• A. Focuses on structure or composition of a phenomenon; symbolic representation of concepts.
• B. A numerical result of data analysis.
• C. A clinical protocol for intervention.
• D. A policy document.

Answer: (A)

A model in theoretical terms is a simplified representation of a real phenomenon that centers on the arrangement and relationships of concepts. It’s a symbolic or diagrammatic way to show how parts connect, explain how something works, and sometimes guide predictions or further study. It isn’t the actual data you collect, nor a clinical protocol or a policy document.

For example, a health behavior model maps how a person’s beliefs, perceived risks, and perceived benefits influence their likelihood of engaging in a healthy action. The strength of a model lies in clarifying the structure of ideas and the expected links between elements, so researchers can test ideas, compare explanations, and communicate how change might occur.