Translations:Advanced Field Epi:Manual 1 - Disease Investigation/251/en

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A descriptive study can collect data to describe distribution and occurrence of a disease in a population but does not involve statistical hypothesis testing of possible risk factors. The first part of the investigation (describing disease in terms of time, place and animal) is largely descriptive but it can lead to hypotheses that may be tested and the data may be used in subsequent statistical testing of some sort.