International Journal of Health Geographics Spatiotemporal Modelling and Mapping of the Bubonic Plague Epidemic in India

Several factors led to the development of the methodology. The first was that the literature review pointed to a real difficulty in establishing a reliable and valid criterion variable against which to evaluate a model of staff selection. Both supervisory ratings and quantitative performance appraisal ratings in general have been found to be very unsatisfactory for this purpose. Alternative criteria such as promotional progress, ratings by other parties, and organizational climate indices are either inap-