Which type of attempts to calculate the impact that a well-publicized execution has on the short-term murder rate?

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Immediate impact studies are the type of research that attempts to calculate the impact a well-publicized execution has on the short-term murder rate. These studies compare the murder rate before and after an execution to determine if there is any significant change in the short-term. Contiguous-state analysis and time-series analysis are other types of research methods used in this field but are not as focused on short-term impacts as immediate impact studies. Short-term controlled studies are not applicable in this scenario as it is not ethical to control the occurrence of executions.

Which Type of Attempts to Calculate the Impact That a Well-Publicized