All of the Response Screening plots involve pvalues for tests conducted using the FDR technique described in Benjamini and Hochberg, 1995. See also Westfall et al. (2011). This method assumes that the pvalues are independent and uniformly distributed.
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Rank the pvalues from smallest to largest. Denote these by .

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The pvalues adjusted for the false discovery rate, denoted , are computed as:
If a hypothesis has an FDRadjusted pvalue that falls below α, then it is rejected by the procedure.