Abstract
This article describes a generalization to a model of recidivism proposed earlier by Maltz and McCleary (1977). This modification allows the model to better fit data on recidivism that the earlier authors presented. The mathematical and logical derivation of the new model are presented as are two methods of parameter estimation. The efficacy of the model is demonstrated on Taylor's (1971) data set and is compared with earlier efforts. It is found that the old model's fit is more than 16 times worse than that ofthe new model.

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