Background and Objectives: The aim of this study was to compare the intrinsic estimator method and the age, period and cohort accounting model used for identifying age, period, and cohort trends in incidence, prevalence, and mortality rates. Methods: The data of 2 studies " Age, Period, and Cohort Effects on Alcohol and Drug use Among Students of Tehran University of Medical Sciences from 2006...

The common division in Iranian architectural history to two separate periods - pre-Islamic and Islamic - which was once efficient, has gradually lost its motivating power. Such a cliché had consequences including disregarding the architecture of the very transitional era from the late Sassanid to the early Islamic period. Understanding the real changes, evolutions, breaks, and continuity...

Comprehending the reasons of Japanese success in rapid proceeding the modernization process entails an attempt to trace its historical background. Before the formation of Meiji modern state, Edo era as a mature traditional society at the threshold of transition to the modern age, from various aspects specifically the social one paved the way for the success of Japan`s modernization. Therefor...

Throughout its history, Al-Azhar University has undergone some changes. Before and after the recession in Ottoman era, with the rise of Mohammad Ali Pasha, this university entered a new phase. In this period, Al-Azhar became completely dependent  on the government financially. Seyyed Jamal took important steps toward reforming this scientific center that were followed by Abdeh. Each of the ment...