When choosing a journal for publication, you should pay attention to a number of important criteria, such as subject matter, scientometric indicators, peer-review features, and the type of articles published by the publication. To minimize the risk of rejection of a research publication, it is important to understand how scientific articles are classified. In today's review we will analyze the main types of publications presented in international databases.

Main types of scientific articles
Review Articles
Reviews are critical and comprehensive analyses of previously published research on a particular topic. They summarize, analyze and critically evaluate already published data. Review articles are divided into three main types:
- meta-analyses
- systematic reviews
- literature reviews.
This type of articles is important for analyzing the state of science in a particular subject area and often has a high citation index.
At first glance, it may seem that writing a review article is easier than writing an original research paper, but this is a misconception. Reviewers and editors place extremely high demands on review articles. They expect such publications to make a meaningful contribution by offering a new perspective on the analysis and interpretation of existing research.
Original research
This is the most common type of publication that presents the results of original research. An original research article is a detailed description of the methods and approaches used to conduct the research, as well as its results. These results are usually based on analytical or experimental studies designed to answer research questions and test hypotheses. In the "discussion" section, the author summarizes whether his or her hypothesis was confirmed or disproved. In addition to laboratory experiments, such articles may include data from surveys, interviews, or field observations.
The standard structure for this type of article is IMRAD:
- introduction
- methods
- results
- discussion.
Original research articles are the most common and one of the most cited types of scientific publications. They are considered primary literature because they represent an original contribution to science. If you plan to publish the key results of your dissertation work, an original research article will be the best choice.
Experimental research
Experimental research is a type of scientific work based on an approach that involves working with two or more variables. One of the variables is a constant and can be manipulated or changed to study its effect on a second variable. Most studies that use quantitative methods are experimental in nature.
Experimental research collects the necessary data to prove or disprove a proposed hypothesis. This type of research project is also sometimes called hypothesis testing or deductive research method.
Experimental research is common in various fields of science. This type of publication is particularly popular in disciplines such as medicine, psychology, social sciences and engineering.
Clinical research
Clinical studies are similar in scope and structure to original research articles. These publications describe details of real clinical cases and make a significant contribution to a particular field of medicine. This type of article may include a discussion of symptoms, diagnostic methods, and treatment approaches for a disease or disorder.
Clinical trials are the foundation of evidence-based medicine, making them the most popular and sought-after type of article in medical journals.
Case Studies
This type of publication describes unique case studies, most often in the fields of medicine, social sciences or engineering. Case studies help to highlight important practical aspects and applications of scientific knowledge. In case studies, the researcher collects detailed data through methods such as observation, interviews, document analysis, and other qualitative approaches. This format is often used to study phenomena that are difficult to investigate using experimental methods or large-scale statistical analyses.
Medical journals often publish case studies, especially descriptions of rare diseases, unusual clinical cases, or unique therapeutic approaches. Such publications are valued for their practical relevance and contribution to medicine, and are often cited by other researchers.
Methodology article
Methodology articles are a type of scientific publication that discusses the methods used in research. They contain descriptions of new or suggestions for improving existing research methods in various fields of science. These articles are not aimed at presenting new empirical data, but at developing, explaining and analyzing research methods that can be used by other scientists.
This type of publication is a valuable resource for undergraduate and graduate students as well as experienced researchers who are seeking more efficient and accurate ways to collect and analyze data.
Prospective articles
Prospective articles are scientific publications in which the authors share their expert opinion, make predictions and offer recommendations regarding the future development of a particular field of science. Such articles often discuss new approaches and analyze current trends, problems and achievements in a particular field of knowledge. In contrast to review articles, prospective publications focus on one or more concepts from the study. This type of article is usually short, around 2000 words.
Book reviews are published in many academic journals to provide a brief analysis of recently released scholarly publications. This is a great way for beginning researchers to develop skills in academic writing and critical analysis of scholarly works.
Classification of scientific articles: features and key differences
|
Article type |
Features |
Structure
|
Subject areas
|
Indexing in databases |
|
Review articles |
Critical analysis of existing studies, meta-analyses, systematic reviews |
|
Widely used in various fields of science |
Scopus and Web of Science (Q1 and Q2) |
|
Original research |
Description of methods and results of original research |
IMRAD:
|
All scientific disciplines |
Main type of publications in Scopus, Web of Science and PubMed
|
|
Experimental research |
A study with two or more variables to test a hypothesis |
|
Various fields of science. This type of publication is particularly popular in disciplines such as medicine, psychology, social sciences and engineering |
|
|
Clinical research |
Research involving patients, description of real clinical cases |
|
Medicine and Allied Sciences |
Main type of publications in PubMed, less frequently in Scopus and Web of Science |
|
Case Studies |
Description of unique case studies, use of qualitative methods |
|
Medicine, social sciences, engineering, pedagogy, psychology, economics, law, ecology and environmental sciences |
|
|
Methodological articles |
Description of new or improved research methods |
|
Applied in various fields of science to develop and analyze new research methods |
|
|
Perspective papers |
Forecasts and recommendations for the future development of the area |
|
Natural sciences, medicine, engineering, ecology, climatology, social sciences, economics, space sciences |
|
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