there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...

terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

Research Background and Objective: Dentistry, one of the branches of medicine, has always been of utmost significance to Islamic physicians, who addressed different aspects of dentistry and presented their viewpoints in medical texts. This study intended to investigate the significance of dentistry in Islamic medicine. Research Methods (Methodology): Employing a descriptive-analytical resear...

cohesion is an indispensable linguistic feature in discourse analysis. lexicald such a differe cohesion and conjunction in particular as two crucial elements to textual cohesion and comprehension has been the focus of a wide range of studies up to now. yet the relationship between the open register and cohesive devices has not been thoroughly investigated in discourse studies. this study concen...

  Content Evaluation of the Pre-marriage Education Program Provided by the State Welfare Organization of Iran: The Perspective of Marriage Experts and Educators Pegah Goodarzi1, Shahram Vaziri2 *, Saeed Akbari Zardkhaneh3 1Ph.D. Student, Department of Health Psychology, Karaj Branch, Islamic Azad University, Karaj, Iran 2Associate Professor of Clinical Psychology, Department of Clinical Psycho...

the present study reports an analysis of response articles in four different disciplines in the social sciences, i.e., linguistics, english for specific purposes (esp), accounting, and psychology. the study has three phases: micro analysis, macro analysis, and e-mail interview. the results of the micro analysis indicate that a three-level linguistic pattern is used by the writers in order to cr...

Scientific theories have metaphysical foundations whether explicitly expressed or these foundations play important role in development of scientific theories in almost all aspects of development. Considering new metaphysical views as new foundations could lead to providing new scientific theories. In this article, Islamic views on human nature are suggested as new foundations for developing the...

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...