Trap of trends to statistical significance: likelihood of near significant P value becoming more significant with extra data.
نویسندگان
چکیده
When faced with a P value that has failed to reach some specific threshold (generally P<0.05), authors of scientific articles may imply a “trend towards statistical significance” or otherwise suggest that the failure to achieve statistical significance was due to insufficient data. This paper presents a quantitative analysis to show that such descriptions give a misleading impression and undermine the principle of accurate reporting.
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ورودعنوان ژورنال:
- BMJ
دوره 348 شماره
صفحات -
تاریخ انتشار 2014