- 1 Types of articles
- 2 Formats of journal articles
- 3 Electronic publishing
- 4 Controversies
- 5 References
- 6 External links
Among academic journals, a scientific journal is a periodical publication intended to further the progress of science, usually by reporting new research findings, but also by publishing state-of-the-art reviews, commentaries, news of the activities of scientific societies, and by publishing feedback on articles by readers. Most journals are highly specialized, although some of the oldest journals such as Nature and Science publish articles and scientific papers across a wide range of scientific fields. Scientific journals contain articles that have been peer-reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and have scientific validity in the view of the reviewers and editors. Issues of a scientific journal are rarely read casually, as one would read a magazine. The articles are written as part of the scientific method; they generally must supply enough details of an experiment that an independent researcher could potentially repeat the experiment to verify the results. Such journal articles are considered part of the permanent scientific record.
The standards that a journal uses to determine publication can vary widely. Some journals, such as Nature, Science, The Proceedings of the National Academy of Science (PNAS) or Physical Review Letters, will not publish an article unless they believe that it marks a fundamental breakthrough in its field, and hence will reject papers which contain good work that does not meet this criterion. In many fields, an informal hierarchy of scientific journals exists; the most prestigious journal in a field tends to be the most selective in terms of the articles it will select for publication. It is also common for journals to have a regional focus, specializing in publishing papers from a particular geographic region.
Articles tend to be highly technical, representing the latest theoretical research and experimental results in the field of science covered by the journal. They are often incomprehensible to anyone except for researchers in the field. Scientific journals are a crucial part of the scientific literature. Some scientific journals, like Nature and Science, provide summary reports of key articles in an issue written less technically and putting the discoveries in broader perspective.
Some scientific journals have primarily an educational purpose, targeting science students and teachers. The Journal of Chemical Education qualifies as a scientific journal because of its high quality technical articles designed to apply scientific research to further the progress of science by educating teachers and students.
Press releases may improve the quality of associated newspaper coverage.
Types of articles
There are several types of journal articles; the exact terminology and definitions vary by field and specific journal, but often include:
- Letters (not to be confused with letters to the editor) are short descriptions of important current research findings which are usually fast-tracked for immediate publication because they are considered urgent.
- Articles are usually between five and twenty pages and are a complete descriptions of current original research finding, but there are considerable variations between scientific fields and journals: 80-page articles are not rare in mathematics or theoretical computer science.
- Supplemental articles contain a large volume of tabular data that is the result of current research and may be dozens or hundreds of pages with mostly numerical data. Some journals now only publish this data electronically on the internet.
- Review articles do not cover original research but rather accumulate the results of many different articles on a particular topic into a coherent narrative about the state of the art in that field. Specific types of reviews include systematic reviews and meta-analyses. Other examples of reviews include the 'Nature Reviews' series of journals and the 'Trends in' series, which invite experts to write on their specialisation and then have the article peer-reviewed before accepting the article for publication. Other journals, such as the Current Opinion series, are less rigorous in peer-reviewing each article and instead rely on the author to present an accurate and unbiased view. Review articles provide information about the topic, and also provide journal references to the original research.
- Book Review serves as a check on the reseach published by academics in book form.
- Essays or Commentaries written by established scientists with valuable perspectives.
- Research notes are short descriptions of current research findings which are considered less urgent or important than Letters.
Formats of journal articles
The formats of journal articles vary, but almost always follow the following general scheme. They begin with an abstract, which is a one-to-four-paragraph summary of the paper. The introduction describes the background for the research including a discussion of similar research. The materials and methods or experimental section provides specific details of how the research was conducted. The results and discussion section describes the outcome and implications of the research, and the conclusion section places the research in context and describes avenues for further exploration. Many journals make supplementary information about an article (e.g., detailed methodologies or calculations) available online.
In addition to the above, some scientific journals such as Science will include a news section where scientific developments (often involving political issues) are described. These articles are often written by science journalists and not by scientists. In addition some journals will include an editorial section and a section for letters to the editor. While these are articles published within a journal, they are not generally regarded as scientific journal articles because they have not been peer-reviewed.
With the advent on electronic publishing, scientists are reading more articles and reading them faster.
It has been argued that peer-reviewed paper journals are in the process of being replaced by electronic publishing. There is usually a delay of several months after an article is written before it is published in a journal and this makes journals not an ideal format for disseminating the latest research. In some fields such as astronomy and physics, the role of the journal at disseminating the latest research has largely been replaced by preprint databases such as arXiv.org. Scientific journals, however, still provide an important role in quality control, archiving papers, and establishing scientific credit. In general, the electronic materials uploaded to preprint databases are still intended for eventual publication in a peer-reviewed journal. Moreover, scientific journals increasing print accepted articles online on their journal website in advance of the print publication.
A number of journals have, while retaining their peer-review process, established electronic versions or even moved entirely to electronic publication. The latter include the Public Library of Science (PLoS) journals and the BioMed Central journals.
In health care journals, authors may to continue to cite older results from observations studies are their refutation by randomized controlled trials. Many new ideas are eventually refuted.
In health care journals, contributions of authors is not always clear (ghostwriting). Ghostwriting is common, even among high impact journals. A large example of this occurred with Wyeth, the manufacturers of Prempro. A trial has explored ways to improve reporting of authors' contributions to manuscripts. Prosecution for fraud has been proposed for ghost writing.
In health care journals, specialty journals are less likely to encourage standards for publication and publish papers that are more likely to persist in advocated claims that have been previously refuted.
In health care publishing, it is claimed that the journal Australasian Journal of Bone and Joint Medicine, published by division of Elsevier, is a marketing journal for Merck and Co and was paid for by Merck.
Presentation of results
Results may be presented with misleading "spin".
In health care journals, quantitative results may be overstated either because p-values without statistical significance are interpreted as refuting the null hypothesis, results are often presented with relative risks rather than absolute risks.
In health care journals, problems in the accuracy of quotations and references by authors have been noted In addition, although articles are more accessible due to the Internet, authors are citing less articles in in their writings. More specifically, academic papers have been found to contain inaccurate citationsthat have been cataloged into the following types:
- citation bias (preferentially citing positive articles over negative articles)
- citation diversion ("citing of content but the altering of its meaning in a manner that diverts its implications")
- citation amplification (citing of published review articles that make a relevant claim but "lack data addressing the claim"). The authors propose this can be avoided by citing only primary data when making claims which may result in "amplification minimal networks"
- citation invention (through "mechanisms either deliberate or through scholarly negligence" cite articles that make no relevant statement).
Conflict of interest
|Drug or device||Manufacturer||Comment|
|Second-generation antidepressants||Multiple||Selective publication of clinical trials with positive results|
|Duloxetine||Lilly||"Salami slicing" - redundant publication of systematic reviews for marketing purposes|
|Gabapentin||Parke-Davis||"stimulating off-label prescribing despite the lack of FDA approval"|
|Quetiapine||AstraZeneca||"Cherry picking" - selective publication of positive results|
|Rofecoxib||Merck||• "Seeding trial" - conducting and publishing a randomized controlled trial for the purpose of promotion|
• Guest authorship and ghostwriting
|Rosiglitazone||GlaxoSmithKline||• Possible interference with steering committee of a trial|
• Suppressing negative research results
|Estrogen replacement therapy||Wyeth||• Ghost writing: “You can't just put another name on the article, but you can plagiarize the way we did when we wrote papers in college. What you need to do is give your potential authors Karen's version of the article before the author modified it. Then have your authors modify it for publication under their name. Wyeth owns Karen's draft, not the final publication”.|
Authors with conflict of interests are increasing. However, in health care journals conflicts of interests among authors may not be requested by journals and are frequently omitted from publication. Lower impact journals and journals not endorsing International Committee of Medical Journal Editors guidelines are less likely to full report. Recommendations to reduce the impact of conflicts have been proposed.
Insufficient attention to limitations of research findings
Journal articles may not adequately describe limitations of their findings.
Trials published in supplements may be of inferior quality.
Often the authors of an article are required to transfer the copyright to the journal publisher. Publishers claim this is necessary in order to protect author's rights, and to coordinate permissions for reprints or other use. Many authors, especially those active in the open access movement, find this unsatisfactory, and would prefer a situation in which they give the publisher an irrevocable license to publish, but retain the other rights themselves.
Another controversy is the cost of scientific journals. Many scientists and librarians have protested against the cost of journals, especially as they see these fees going to large for-profit publishing houses. To allow their researchers online access to journals, universities generally purchase site licenses, permitting access from anywhere in the university--and, with appropriate authorization, by university-affiliated users at home or elsewhere. These may be quite expensive, sometimes much more than the cost for a print subscription.
- Journal of Chemical Education Website
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