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  2. Meta-analysis - Wikipedia

    en.wikipedia.org/wiki/Meta-analysis

    Meta-analysis is a method of synthesis of quantitative data from multiple independent studies addressing a common research question. An important part of this method involves computing a combined effect size across all of the studies.

  3. Forest plot - Wikipedia

    en.wikipedia.org/wiki/Forest_plot

    A forest plot, also known as a blobbogram, is a graphical display of estimated results from a number of scientific studies addressing the same question, along with the overall results. [1] It was developed for use in medical research as a means of graphically representing a meta-analysis of the results of randomized controlled trials.

  4. Meta-regression - Wikipedia

    en.wikipedia.org/wiki/Meta-regression

    A meta-analysis with some or all studies having more than two arms is called network meta-analysis, indirect meta-analysis, or a multiple treatment comparison. Despite also being an umbrella term, meta-analysis sometimes implies that all included studies have strictly two arms each—same two treatments in all trials—to distinguish itself ...

  5. Research design - Wikipedia

    en.wikipedia.org/wiki/Research_design

    A strong research design yields valid answers to research questions while weak designs yield unreliable, imprecise or irrelevant answers. [ 1 ] Incorporated in the design of a research study will depend on the standpoint of the researcher over their beliefs in the nature of knowledge (see epistemology ) and reality (see ontology ), often shaped ...

  6. Fisher's method - Wikipedia

    en.wikipedia.org/wiki/Fisher's_method

    For example, if both p-values are around 0.10, or if one is around 0.04 and one is around 0.25, the meta-analysis p-value is around 0.05. In statistics , Fisher's method , [ 1 ] [ 2 ] also known as Fisher's combined probability test , is a technique for data fusion or " meta-analysis " (analysis of analyses).

  7. Study heterogeneity - Wikipedia

    en.wikipedia.org/wiki/Study_heterogeneity

    Meta-analysis is a method used to combine the results of different trials in order to obtain a quantitative synthesis. The size of individual clinical trials is often too small to detect treatment effects reliably. Meta-analysis increases the power of statistical analyses by pooling the results of all available trials.

  8. Category:Meta-analysis - Wikipedia

    en.wikipedia.org/wiki/Category:Meta-analysis

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  9. Research question - Wikipedia

    en.wikipedia.org/wiki/Research_question

    Choosing a research question is an essential element of both quantitative and qualitative research. Investigation will require data collection and analysis, and the methodology for this will vary widely. Good research questions seek to improve knowledge on an important topic, and are usually narrow and specific. [1]