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Standard Deviation in the Business World turn outAbstract On Standard Deviations in Job PerformanceThe purpose of this study was to compare the expected payoffs from personnel programs based on standard discrepancy of job performances in dollars, the Global Estimation model, and the CREPID effect. The study was done for route salesmen of a large soft drink bottling company. The Global Estimation model and the CREPID procedure were behaviorally based, where the standard deviation of job performance was based on cost accounting data. The research study was based on whether selecting certain methods of behaviors for route salesmen would ferment the expected monetary outcome of the selected behavior. The results could then be listed by the dollar payoff of the selected behavior. The hypothesis of the study was that using the standard deviation model would start results that would measure cost accounting behavioral outcomes. There were three different methods used to gather inf ormation within the study.The Global Estimation model include using a questionnaire-based survey that would rate the value of a route salesmans job performance. The CREPID procedure had two raters evaluating the salesmans performance. The cost accounting method used sales records and performance results records to evaluate based on previous sales and delivery. The results of the study showed that the older, more experienced route salesmen had more lick on results than using any standard deviation cost accounting estimates of possible results. The Global Estimation method produced results similar to the standard deviation model show that most of the dollar improvements were more directly related to the route salesmen and not the results of changing methodology.The CREPID method was found to be too subjective to be in effect(p) in this study. In striving to produce results that would establish job performance as a cost object, it failed to consider the personnel factor. The human r esource of influence will skew any study because an objective measure of standard deviation of accounting dollars in job performance has not been established.