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Related Concept Videos

Review and Preview01:10

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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
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Review and Preview01:13

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Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
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Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
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Propagation of Uncertainty from Systematic Error01:10

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The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
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Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
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[Stages for Undertaking a Systematic Review].

Helena Donato1, Mariana Donato2

  • 1Serviço de Documentação. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal.

Acta Medica Portuguesa
|April 5, 2019
PubMed
Summary
This summary is machine-generated.

Systematic reviews are increasingly used to synthesize research. This guide helps researchers understand and conduct systematic reviews for publication, enhancing literature research and scientific writing skills.

Keywords:
Research DesignReview Literature as TopicSystematic Reviews as Topic

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Area of Science:

  • Research Methodology
  • Evidence Synthesis

Background:

  • Growing use of systematic reviews for compiling and analyzing existing studies.
  • Increased recommendations for conducting systematic reviews necessitate clear guidance.

Purpose of the Study:

  • To provide a comprehensive guide for understanding and undertaking systematic reviews.
  • To cover all stages of the systematic review process for publication.

Main Methods:

  • Literature synthesis and analysis.
  • Guidance on the systematic review process.

Main Results:

  • Authors gain subject matter expertise.
  • Development of skills in literature research and scientific writing.
  • Systematic reviews require fewer resources than primary research.

Conclusions:

  • Systematic reviews enable clinicians to produce high-quality, clinically relevant articles.
  • This methodology facilitates research involvement for non-traditional researchers.