Double - Negative 3 to Double - Positive Stages
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منابع مشابه
of April 19 , 2017 . This information is current as Double - Negative 3 to Double - Positive Stages
متن کامل
Estimating Most Productive Scale Size with Double Frontiers in Data Envelopment Analysis using Negative Data
In this paper, it is assumed that the “Decision Making Units“( ) are consist of positive and negative input and output. Firstly, the optimistic and pessimistic models have been suggested by using negative data and then units with most productive scale size are measured in optimistic and pessimistic models. These productive values are compared with double frontiers and Hurwicz’s Criterion to obt...
متن کاملEvaluating the Efficacy of Vitamin D Add-on Therapy on Treatment of Positive, Negative and Cognitive Symptoms in Patients with Chronic Schizophrenia; A Double Blind Clinical Trial
Background: Vitamin D can be effective in treating some symptoms of schizophrenia, and with better control of vitamin D levels and supplementation, there is a potential for reducing this disease. But due to small number of studies, more studies are needed in this area. The aim of this study was to determine the efficacy of vitamin D as an adjunct to the positive, negative, and cognitive symptom...
متن کاملEffects of Bromocriptine on Negative Symptoms of Schizophrenia: A Double Blind Clinical Trial
Negative symptoms are still a major obstacle in the recovery of schizophrenic patients. Many attempts to develop novel drugs affecting negative symptoms of schizophrenia have yielded insignificant results. This study evaluates the effects of bromocriptine, a dopamine agonist, on negative symptoms of schizophrenia utilizing a placebo-controlled crossover double-blind clinical trial. Methodology:...
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تاریخ انتشار 2005