These are usually essays that present a personal point of view critiquing widespread notions pertaining to a field.
Opinion articles present the author’s viewpoint on the interpretation, analysis, or methods used in a particular study.
These are detailed studies reporting original research and are classified as primary literature.
They include hypothesis, background study, methods, results, interpretation of findings, and a discussion of possible implications.
Although original research sometimes takes years to complete, it does not mean you cannot have any publications to your credit till the time you complete your research.
There are different types of scholarly literature, some of which require original research (categorized as primary literature) and some that are based on other published work (secondary literature).
Review articles can be of three types, broadly speaking: literature reviews, systematic reviews, and meta-analyses.
Review articles can be of varying lengths depending upon the journal and subject area.
Commentaries are short articles usually around 1000-1,500 words long that draw attention to or present a criticism of a previously published article, book, or report, explaining why it interested them and how it might be illuminating for readers.
There are multiple different types of research papers.