Original Research
Reports a defined research question, methods, results, limitations, and evidence-based interpretation.
Review Article
Synthesizes and interprets established and emerging knowledge for a defined scholarly topic.
Systematic Review
Uses explicit, reproducible methods to identify, assess, and synthesize evidence addressing a focused question.
Meta-analysis
Uses statistical methods to combine comparable results, with transparent selection, assumptions, and limitations.
Brief Report / Short Communication
Presents a focused research finding, dataset, observation, or early contribution in a concise form.
Methodology
Introduces, evaluates, or advances a research, analytical, computational, laboratory, or field method.
Protocol
Describes the rationale and planned methods for a study or evidence synthesis before results are available.
Editorial
Offers an editorial perspective on a journal, field, article, or timely scholarly issue.
Commentary
Provides a reasoned analysis of a focused issue, development, or published contribution.
Perspective
Develops an evidence-informed viewpoint or forward-looking interpretation for the field.
Correspondence / Letter
Supports concise scholarly discussion, critique, clarification, or response.