منابع مشابه
P-value: What is and what is not
The misinterpretation and misuse of p-value have been increasing for decades. In March 2016, the American Statistical Association released a statement to warn about the use and interpretation of p-value. In this study, we provided a definition and discussion of p-value and emphasized the importance of its accurate interpretation.
متن کاملWhat is a P-value?
Results favoring one treatment over another in a randomized clinical trial can be explained only if the favored treatment really is superior or the apparent advantage enjoyed by the treatment is due solely to the working of chance. Since chance produces very small advantages often but large differences rarely, the larger the effect seen in the trial the less plausible chance assignment alone ca...
متن کاملP-value: What is and what is not
The misinterpretation and misuse of p-value have been increasing for decades. In March 2016, the American Statistical Association released a statement to warn about the use and interpretation of p-value. In this study, we provided a definition and discussion of pvalue and emphasized the importance of its accurate interpretation.
متن کاملWhat does the p value really mean?
Consider an experiment in which 10 subjects receive a placebo, and another 10 receive an experimental diuretic. After 8 h, the average urine output in the placebo group is 769 mL, versus 814 mL in the diuretic group—a difference of 45 mL (Figure 1). How do we know if that difference means the drug works and is not just a result of chance? of 45 mL in the average urine output between groups unde...
متن کاملWhat is a p value and what does it mean?
Researchers aim to make the strongest possible conclusions from limited amounts of data. To do this, they need to overcome two problems. First, important differences in the fi ndings can be obscured by natural variability and experimental imprecision. Thus, it is diffi cult to distinguish real differences from random variability. Second, researchers’ natural inclination is to conclude that diff...
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ژورنال
عنوان ژورنال: Leukemia
سال: 2016
ISSN: 0887-6924,1476-5551
DOI: 10.1038/leu.2016.193