in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...

The purpose of this study was to compare cognitive deficits in patients with bipolar disorder type I with schizophrenic patients. The samples were comprised of 30 male patients with bipolar disorder type I and 30 male patients with schizophrenia (these disorders were diagnosed by a psychiatrist) after they had reached stability level and showed a decreased in their signs. This sample was chosen...

Introduction: Adjustment together with its different aspects is considered a basic and extensive issue in psychology. Therefore, identifying the related factors, while developing knowledge of the field, can help reduce individual and inter- individual problems. Hence, the aim of the present research is to investigate relationship between thinking styles and academic adjustment. Methods: This d...

Background and Objectives: When computing a confidence interval for a binomial proportion p, one must choose an exact interval that has a coverage probability of at least 1-α for all values of p. In this study, we compared the confidence intervals of Clopper-Pearson, Wald, Wilson, and double ArcSin transformation in terms of maintaining a constant nominal type I error. Methods: Simulations w...

Introduction: Diabetes mellitus is the fifth leading cause of death in most countries of the world. Diabetes causes disability, high cost of treatment, and increased mortality. The aim of this study was to determine the prevalence of chronic complications of diabetes and its related risk factors in patients referred to a diabetic's Center in Hamadan. Methods: The study population of this cro...