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In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
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The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.
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The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
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Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
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Living Systematic Reviews.

Mark Simmonds1, Julian H Elliott2, Anneliese Synnot2

  • 1Centre for Reviews and Dissemination, University of York, York, UK. Mark.simmonds@york.ac.uk.

Methods in Molecular Biology (Clifton, N.J.)
|September 22, 2021
PubMed
Summary
This summary is machine-generated.

Living systematic reviews (LSRs) continually update research, ensuring accuracy in rapidly evolving fields. This approach uses sequential meta-analysis to manage new evidence effectively.

Keywords:
Living systematic reviewSequential meta-analysisSystematic reviewTrial sequential analysis

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Area of Science:

  • Evidence Synthesis
  • Meta-Analysis
  • Research Methodology

Background:

  • Systematic reviews require frequent updates to maintain currency and accuracy.
  • Failure to update leads to outdated and potentially incorrect conclusions.
  • Rapidly emerging evidence necessitates adaptive review strategies.

Purpose of the Study:

  • To describe the concept and processes of living systematic reviews (LSRs).
  • To highlight the value and procedural differences of LSRs compared to conventional reviews.
  • To introduce sequential meta-analysis methods suitable for LSRs.

Main Methods:

  • Describes the principles and procedures of living systematic reviews.
  • Focuses on Trial Sequential Analysis and Sequential Meta-Analysis.
  • These methods control for Type I and Type II errors and account for heterogeneity.

Main Results:

  • Living systematic reviews offer a solution for keeping research evidence current.
  • Sequential meta-analysis methods are presented as valuable tools for LSRs.
  • The discussed methods enhance the reliability of continually updated reviews.

Conclusions:

  • Living systematic reviews are crucial for fields with fast-changing evidence.
  • Sequential meta-analysis techniques support the continuous updating process.
  • LSRs improve the accuracy and utility of systematic reviews over time.