Using the normal quantile plot to explore meta-analytic data sets

    Authors

    M. C. Wang;B. J. Bushman

    Comments

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    Abbreviated Journal Title

    Psychol. Methods

    Keywords

    NULL; Psychology, Multidisciplinary

    Abstract

    In a meta-analysis, graphical displays can be used to check statistical assumptions for numerical procedures and they can be used to discover important patterns in the data. The authors propose the normal quantile plot as a preferred alternative to the funnel plot for such purposes. The normal quantile plot, like the funnel plot, can be used to investigate whether all studies come from a single population and to search for publication bias. However, the normal quantile plot is easier to interpret than the funnel plot, especially when it includes 95% confidence bands. In addition, the normal quantile plot can be used to check the normality assumption for numerical procedures. The funnel plot cannot be used for this latter purpose.

    Journal Title

    Psychological Methods

    Volume

    3

    Issue/Number

    1

    Publication Date

    1-1-1998

    Document Type

    Article

    Language

    English

    First Page

    46

    Last Page

    54

    WOS Identifier

    WOS:000072410000004

    ISSN

    1082-989X

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