Theoretical models: necessary reflections

ABSTRACT Objective: To present theoretical-methodological reflections on the elaboration, types, and functions of theoretical models as well their conceptual analytic frameworks. Methods: This is an essay, whose material collection was carried out in a non-systematic way, by electing studies exclusively based line argument reflection that authors intend to submit appreciation public debate. Results: We types models, foundations research, importance for health research relation with process development, reporting scientific studies. In addition, we describe referring empirical levels important elaboration description combination practice. Conclusion: With this article, our intention stimulate discussions current methods permeate practice encourage use Theoretical Models basis its process.