What are constructs in relationship to health behavior theory? 1. Concepts developed or adopted for use in a particular theory. 2. Operational forms 3. They draw on a number of theories to help understand a particular problem in a certain setting or context. 4. Building blocks—the primary elements—of a theory. Solution Correct option (A). A construct is a variable or hypothetical object that is used in a particular theory, but are not directly observable..