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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Preprint pointers from a long COVID scoping review: considerations for source selection and searching.

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This study details a preprint search strategy for long COVID evidence reviews. It highlights challenges and solutions for incorporating non-peer-reviewed research into systematic evidence synthesis.

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Area of Science:

  • Medical librarianship
  • Information science
  • Public health

Background:

  • Medical preprints have surged since the COVID-19 pandemic.
  • Preprints offer early evidence but are not peer-reviewed.
  • Integrating preprints into evidence reviews requires specific strategies.

Purpose of the Study:

  • To describe the search approach for preprints related to post COVID-19 condition (long COVID).
  • To identify challenges and provide insights for managing preprints in evidence reviews.
  • To inform information professionals and researchers on effective preprint search methodologies.

Main Methods:

  • Developed a search strategy for preprints using Europe PubMed Central (PMC).
  • Addressed challenges including inconsistent terminology and large preprint volumes.
  • Limited searches to title/abstract fields and conducted supplementary internet searches.

Main Results:

  • Europe PMC facilitated access to additional preprints.
  • Search strategy encountered difficulties with terminology and resource limitations.
  • Specific search techniques improved preprint identification and management.

Conclusions:

  • Preprints are valuable evidence sources for emerging topics like long COVID.
  • Information professionals must adapt search strategies to include preprints in systematic reviews.
  • The described approach offers solutions for challenges in preprint searching for COVID-19 and other research areas.