A funnel plot is a useful graph designed to check the existence of publication bias in systematic reviews and meta-analyses. It assumes that the largest studies will be near the average, and small studies will be spread on both sides of the average. Variation from this assumption can indicate publication bias.
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“Morality for the novelist is expressed not so much in the choice of subject matter as in the plot of the narrative, which is perhaps why in our morally bewildered time novelists have often been timid about plot.”
—Jane Rule (b. 1931)