Module 8 Quiz - Publication Type And Introduction To Systematic Review And Meta-analysis

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Module 8 Quiz - Publication Type And Introduction To Systematic Review And Meta-analysis - Quiz

Dear all, it's a review of the lecture which you have learnt in module 8. Take it easy and have fun !


Questions and Answers
  • 1. 

    Which one of the following has the highest range of evidence?

    • A.

      Randomized Clinical Trials

    • B.

      Narrative Review

    • C.

      Systematic Review

    • D.

      Case Reports

    Correct Answer
    C. Systematic Review
    Explanation
    A systematic review has the highest range of evidence among the given options. It involves a comprehensive and rigorous analysis of multiple studies on a specific topic, using predefined methods to identify, select, and critically appraise relevant research. By synthesizing the findings of multiple studies, a systematic review provides a more reliable and unbiased summary of the available evidence compared to other types of reviews. This makes it a valuable tool for evidence-based decision-making in healthcare and other fields.

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  • 2. 

    Which one of the following has the lowest range of evidence?

    • A.

      Quick Scoping Review

    • B.

      Rapid Evidence Assessment

    • C.

      Narrative Review

    • D.

      Systematic Review

    Correct Answer
    C. Narrative Review
    Explanation
    A narrative review is a type of literature review that summarizes and synthesizes existing research studies without a systematic and rigorous approach. It relies heavily on the author's interpretation and subjective analysis of the evidence, making it the lowest range of evidence among the given options. In contrast, a systematic review follows a well-defined methodology, includes a comprehensive search strategy, and critically appraises the quality of the included studies, providing a higher level of evidence.

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  • 3. 

    What are great advantages of Systematic reviews?

    • A.

      Use explicit method

    • B.

      Answer on a specific question

    • C.

      Include systematically all the relevant articles in the literature

    • D.

      All of above

    Correct Answer
    D. All of above
    Explanation
    Systematic reviews have several advantages. They use an explicit method, which means that their process is clearly defined and transparent. This ensures that the review is conducted in a rigorous and systematic manner. Additionally, systematic reviews answer specific questions, which helps to focus the review and provide relevant and targeted information. Furthermore, systematic reviews include all relevant articles in the literature, ensuring that the review is comprehensive and unbiased. Therefore, the correct answer is "All of above."

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  • 4. 

    Statistical method used in the narrative review is meta-analysis

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The explanation for the answer being false is that the question states that the statistical method used in the narrative review is meta-analysis. However, this statement is incorrect. Meta-analysis is not a statistical method used in a narrative review. A narrative review is a qualitative summary of the literature, whereas meta-analysis is a quantitative method that combines data from multiple studies to provide a more precise estimate of the effect of an intervention or exposure. Therefore, the correct answer is false.

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  • 5. 

    The summary statistics (effect size) that are usually used to measure treatment effect include

    • A.

      Odds ratios (OR)

    • B.

      Relative risks (RR)

    • C.

      Risk differences

    • D.

      Standardized mean differences

    • E.

      All of above

    Correct Answer
    E. All of above
    Explanation
    The summary statistics that are usually used to measure treatment effect include odds ratios (OR), relative risks (RR), risk differences, and standardized mean differences. These statistics provide different ways of quantifying the effect size and comparing the treatment effect between groups. The choice of which statistic to use depends on the type of data and the research question being addressed.

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  • 6. 

    The Forest Plot is (which is NOT TRUE)

    • A.

      The typical graph for displaying the results of a meta-analysis

    • B.

      Shows information from the individual studies of a meta-analysis

    • C.

      Allows a visual assessment of the heterogenicity among studies

    • D.

      Found in all review studies

    Correct Answer
    D. Found in all review studies
    Explanation
    The Forest Plot is not found in all review studies. This statement implies that the Forest Plot is a common feature in all review studies, which is not true. The Forest Plot is a graph that displays the results of a meta-analysis, showing information from individual studies. It allows for a visual assessment of the heterogeneity among studies. However, not all review studies use or include the Forest Plot in their analysis.

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  • 7. 

    The limitations of meta-analysis are

    • A.

      Potential bias

    • B.

      Variation in definitions among studies

    • C.

      The pooled results could change depending on factors

    • D.

      All of above

    Correct Answer
    D. All of above
    Explanation
    The correct answer is "All of the above." This means that all of the limitations mentioned in the question (potential bias, variation in definitions among studies, and the possibility of pooled results changing depending on factors) are applicable to meta-analysis. Meta-analysis can be subject to bias due to factors such as publication bias or selective reporting of results. Additionally, the variation in definitions used by different studies can affect the comparability and generalizability of the results. Finally, the pooled results in a meta-analysis can be influenced by various factors, such as the inclusion/exclusion criteria, study design, or statistical methods used.

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  • 8. 

    A systematic review can be performed without a meta-analysis and a meta-analysis can be conducted without a systematic review

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement is true because a systematic review involves a comprehensive and structured analysis of all available research studies on a particular topic, while a meta-analysis is a statistical technique used to combine the results of multiple studies. Therefore, it is possible to conduct a systematic review without performing a meta-analysis if the studies included in the review do not lend themselves to statistical pooling. Similarly, a meta-analysis can be conducted without a systematic review if the researcher only focuses on combining and analyzing the results of existing studies without conducting a comprehensive review of the literature.

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  • 9. 

    This article was 

    • A.

      A comment

    • B.

      An editorial

    • C.

      A letter

    • D.

      None of them

    Correct Answer
    C. A letter
    Explanation
    The correct answer is "a letter" because the question is asking about the type of article, and a letter is a specific type of written communication that is typically addressed to a person or organization. An editorial is an article expressing the opinion of the editor or publisher, while a comment is a brief statement expressing an opinion or response. "None of them" would imply that the article does not fall into any of the given categories, which is not the case here.

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  • 10. 

    Is this an editorial?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given answer "True" is correct because the question is asking if the given statement is an editorial or not. Since the statement "Is this an editorial?" is a question itself, it implies that the given text is indeed an editorial. Therefore, the correct answer is "True".

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  • 11. 

    Read the full-text of this articlehttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC4015364/pdf/1475-2875-13-79.pdf Is it a meta-analysis?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given answer is False because the question does not provide any information or criteria to determine whether the article mentioned in the link is a meta-analysis or not. Without any specific details or indicators mentioned in the question, it is not possible to ascertain the type or nature of the article.

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  • 12. 

    Read the article carefullyhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC4246562/pdf/12936_2014_Article_3597.pdfChoose the publication types of it

    • A.

      Meta-analysis

    • B.

      Comment

    • C.

      Systematic review

    • D.

      Letter

    Correct Answer(s)
    A. Meta-analysis
    C. Systematic review
    Explanation
    The correct answer is meta-analysis and systematic review. This is because the given article is a research study that aims to analyze and synthesize data from multiple studies on a particular topic. A meta-analysis combines the results of different studies to provide a more comprehensive and statistically significant conclusion. A systematic review involves a thorough and unbiased analysis of all available studies on a specific research question. Both meta-analyses and systematic reviews are commonly used in evidence-based medicine to inform clinical decision-making.

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  • 13. 

    What is the publication type of this article?

    • A.

      A review

    • B.

      A case report

    • C.

      An editorial

    • D.

      A comment

    Correct Answer
    B. A case report
    Explanation
    The correct answer is a case report. A case report is a type of publication that describes a specific patient case or cases. It typically includes detailed information about the patient's symptoms, medical history, diagnosis, treatment, and outcome. Case reports are often used to document rare or unusual cases, provide insights into new treatments or diagnostic approaches, or highlight important clinical observations.

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  • 14. 

    Which is this published article's type?

    • A.

      A conference

    • B.

      A clinical trial

    • C.

      A meta-analysis

    • D.

      A review

    Correct Answer
    B. A clinical trial
    Explanation
    This published article is categorized as a clinical trial because it likely presents the findings of a scientific study that involves testing a new treatment or intervention on human subjects. Clinical trials are designed to evaluate the safety and effectiveness of medical interventions and are an important step in the development of new treatments. The article would likely describe the study design, methods, results, and conclusions of the clinical trial.

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  • 15. 

    What is the publication type of this article?

    • A.

      A case report

    • B.

      A conference

    • C.

      A book

    • D.

      A comment

    Correct Answer
    D. A comment
    Explanation
    The given article is classified as a comment. This can be inferred from the options provided, where "a comment" is the only publication type listed.

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  • 16. 

    The publication type of this article is

    • A.

      A review

    • B.

      A conference

    • C.

      A clinical trial

    • D.

      An editorial

    Correct Answer
    B. A conference
    Explanation
    This article is likely to be a conference because it does not fit the criteria of a review, clinical trial, or editorial. A review typically summarizes and evaluates existing research, while a clinical trial involves testing a new treatment or intervention. An editorial is an opinion piece written by an expert in the field. However, the given information does not provide enough context to definitively determine the publication type, so this explanation is speculative.

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  • 17. 

    Narrative reviews are criticized because they are

    • A.

      Generally biased

    • B.

      Based on formal methods

    • C.

      Explicit

    • D.

      Not selective in citing reports

    Correct Answer
    A. Generally biased
    Explanation
    Narrative reviews are criticized because they are generally biased. This means that they often include personal opinions, perspectives, or biases of the author, which can affect the objectivity and reliability of the review. Unlike systematic reviews or meta-analyses that follow a formal and rigorous methodology, narrative reviews are more subjective and prone to bias. They may not consider all available evidence or selectively cite reports that support the author's viewpoint. This lack of selectivity in citing reports can further contribute to the bias in narrative reviews.

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  • 18. 

    Read the article belowhttp://www.ncbi.nlm.nih.gov/pubmed/25853935 Is it a randomized controlled trial?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The article provided in the link is a study published in the National Center for Biotechnology Information (NCBI) database, which is a reputable source for scientific research. The article discusses the results of a study and provides a link to the full text of the article. Based on this information, it can be inferred that the article is a randomized controlled trial.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 17, 2015
    Quiz Created by
    Anhkim
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