What is considered outdated research?

What is considered outdated research?

A research study is considered to be outdated when it is over three years old due to market/economic and consumer behavior variations, demographic changes, and alterations to the product. FAQ: Research.

Why is outdated research bad?

When researchers use older means, they’re not taking advantage of the latest developments, which can hinder results. Using outdated devices means they can also reduce the chances other researchers will be able to reproduce their results.

Why is it important to use up to date research?

It is important to keep up to date with current research findings, new innovations in care, recent trends in patient problems, trends in patient outcomes and changes in the social, political and system context of the care we provide.

How quickly do systematic reviews go out of date a survival analysis?

A qualitative or quantitative signal for updating occurred for 57% of reviews (95% CI, 47% to 67%). Median duration of survival free of a signal for updating was 5.5 years (CI, 4.6 to 7.6 years). However, a signal occurred within 2 years for 23% of reviews and within 1 year for 15%.

When Should Systematic Reviews be updated?

However, Cochrane’s principle of keeping all reviews up to date has not been possible, and the organisation has had to adapt: from updating when new evidence becomes available,7 to updating every two years,8 to updating based on need and priority.

How do I update a systematic review search?


  1. Step 1: Rerun the search.
  2. Step 2: Copy the original search results in the new EndNote file.
  3. Step 3: Identify and remove records retrieved by both the previous and new searches.
  4. Step 4: Compare old and new records on similar titles or authors.

How often is Cochrane Library updated?

Database coverage ranges from 1992 to the present, and the resource is updated on a quarterly basis. At the time of this review, over 470,700 records were available and searchable from the combined Cochrane Library database collection.

How often should guidelines be reviewed?

They concluded that as a general rule, guidelines should be re-evaluated no less frequently than every three years. In an evaluation of the need for updating systematic reviews, Shojania and colleagues found that almost one quarter of systematic reviews are likely out-of-date at two years post-publication[11].

How do you find a systematic review?

Where to search for a systematic review

  1. PROSPERO International prospective register of systematic reviews.
  2. Tripdatabase and Evidence search have filters for systematic reviews.
  3. Cochrane Library: CDSR (including protocols)
  4. Joanna Briggs Institute.
  5. UK Database of Uncertainties about the Effects of Treatments (DUETs)

Which database is used for systematic review?

Conclusions. Optimal searches in systematic reviews should search at least Embase, MEDLINE, Web of Science, and Google Scholar as a minimum requirement to guarantee adequate and efficient coverage.

How do you conduct a systematic search?


  1. Determine a clear and focused question.
  2. Describe the articles that can answer the question.
  3. Decide which key concepts address the different elements of the question.
  4. Decide which elements should be used for the best results.
  5. Choose an appropriate database and interface to start with.

What are free text terms?

Free text searching means searching for words and phrases that appear in certain fields in the database records. These fields always include the title and abstract of the article, and depending on the database can also include other fields such as subject headings.

What are research search terms?

Keywords, also commonly called search terms, are the words that you enter into the database search boxes. They represent the main concepts of your research topic and are the words used in everyday life to describe the topic. Without the right keywords, you may have difficulty finding the articles that you need.

What does TIAB mean in PubMed?

Collecting free text terms [tiab] When running queries in PubMed you not only search for keywords [MeSH], but also for free text terms. This is important for a number of reasons.

What is TW in PubMed?

[Text Words] or [TW] – Includes all words and numbers in the title, abstract, other abstract, MeSH terms, MeSH Subheadings, Publication Types, Substance Names, Personal Name as Subject, Corporate Author, Secondary Source, Comment/Correction Notes, and Other Terms.

Is PubMed reliable?

The growth of PubMed Central (PMC) and public access mandates have affected PubMed’s composition. The authors tested recent claims that content in PMC is of low quality and affects PubMed’s reliability, while exploring PubMed’s role in the current scholarly communications landscape.

How far back does PubMed go?

As of 27 January 2020, PubMed has more than 30 million citations and abstracts dating back to 1966, selectively to the year 1865, and very selectively to 1809.

Is everything on PubMed peer-reviewed?

Most of the journals in Medline/PubMed are peer-reviewed. Generally speaking, if you find a journal citation in Medline/PubMed you should be just fine.

What does NCBI stand for?

U.S. National Library of Medicine. NCBI National Center for Biotechnology Information.

Who can access PubMed?

Articles in PubMed Central are freely available. Articles on Publisher’s websites are either freely available or can be accessed with a fee. Contact the specific publisher for questions about their site.

Is PubMed open access?

PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals.

Is PMC the same as PubMed?

What is the difference between PMC and PubMed? PubMed is a database of citations and abstracts. PMC is an electronic archive of full-text journal articles, offering free access to its contents.

Who funds PubMed?

The federal government spends $300 million a year to maintain PubMed.

Does PubMed use MeSH?

Use MeSH to search MEDLINE®/PubMed® for medical literature and information.

Is ScienceDirect a database?

ScienceDirect is a full-text database offering journal articles and book chapters from more than 2,500 peer-reviewed journals and 11,000 books. ScienceDirect uses natural language searching similar to a Google search.

Is Scopus a database?

Scopus is the largest abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings.

Is ScienceDirect a good source?

These sources consist of legitimate science or are evidence based through the use of credible scientific sourcing. See all Pro-Science sources. Overall, we rate ScienceDirect 100% Pro-Science and Very High for factual information.

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