AbstractA model forCeriodaphnia dubiareproductive toxicity outcomes is presented. This model assumes that the number of young is a Poisson‐distributed random variable and that the mean number of young can be modeled using an exponential term involving a polynomial in the test concentrations. Given these assumptions, a modeling procedure for reproductive outcomes is developed and is used to derive an estimate of potency of the chemical under test. Confidence intervals for this estimate are obtained using a bootstrap resampling procedur
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