Journals commonly publish six types of articles, including review articles. Literature reviews and systematic reviews are types of review articles. Both types of articles help researchers stay updated about latest research in the field.
They also contribute to the advancement of the field in that they help other researchers identify gaps in existing literature. A literature review is a standalone publication not part of the literature review section of a conventional research paper , does not include any new data, experiments, or unpublished material in any form.
A systematic review plays an important role in evidence-based medicine, in that it provides an in-depth and detailed review of existing literature on a specific topic. Systematic reviews always address a specific question. They involve the use of robust methodology to find answers to a clearly formulated question. The specialty of systematic reviews is that they also include grey literature, which includes unpublished studies, reports, dissertations, conference papers and abstracts, governmental research, and ongoing clinical trials.
Read the following articles for a more in-depth understanding of systematic and literature review:. A young researcher's guide to a systematic review.
If you continue with this browser, you may see unexpected results. Systemic Review vs. Literature Review: Know the Difference! Literature Review. What's in a name? It will use explicit methods to identify, select, appraise, and synthesise empirical results from different but similar studies. The study will be done in stages:.
Some reviews also state what degree of confidence can be placed on that answer, using the GRADE scale. By going through these steps, a systematic review provides a broad evidence base on which to make decisions about medical interventions, regulatory policy, safety, or whatever question is analysed. By documenting each step explicitly, the review is not only reproducible, but can be updated as more evidence on the question is generated.
However, people can also use the phrase systematic literature review to refer to a literature review that is done in a fairly systematic way, but without the full rigor of a systematic review.
For instance, for a systematic review, reviewers would strive to locate relevant unpublished studies in grey literature and possibly by contacting researchers directly. Doing this is important for combatting publication bias, which is the tendency for studies with positive results to be published at a higher rate than studies with null results.
Another difference might be in who is doing the research for the review. A systematic review is generally conducted by a team including an information professional for searches and a statistician for meta-analysis, along with subject experts.
Team members independently evaluate the studies being considered for inclusion in the review and compare results, adjudicating any differences of opinion. In contrast, a systematic literature review might be conducted by one person.
Overall, while a systematic review must comply with set standards, you would expect any review called a systematic literature review to strive to be quite comprehensive.
A defining characteristic of a systematic literature review is its thoroughness. A systematic review must capture all the relevant literature on a question so that its conclusion is based on all available evidence.
The patents indexed help find results of research not otherwise publicly available because it has been done for commercial purposes. The FSTA thesaurus will surface results that would be missed with keyword searching alone. Since the thesaurus is designed for the sciences of food and health, it is the most comprehensive for the field.
All indexing and abstracting in FSTA is in English, so you can do your searching in English yet pick up non-English language results, and get those results translated if they meet the criteria for inclusion in a systematic review.
FSTA includes grey literature conference proceedings which can be difficult to find, but is important to include in comprehensive searches.
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