Three decades have passed since the first time evidence-based medicine (EBM), in its current form, was introduced. Arguably, over the past two decades it has been the most significant movement in medicine. There is no need to emphasize any approach to clinical medicine practice, including EBM, has its proponents and opponents. Certainly, EBM has been subjected to many challenges and criticisms....

Abstract Being constantly reviewed and reformed, the strategy of dynamic and systematic strengthening of tax structures of countries has undeniable impacts on the economic development of countries. The Tax Administration and Revenue Automation (TARA) Program has been designed with such a goal and in line with the macro- policies of the Iranian government, but it has not been able to move forwa...

This research aimed to study the challenges which elementary teachers deal with lesson study. This research studied challenges in three stages, before, during and after lesson study. To achieve the aim of the research, a case study in a school was used. Participants of this research have been 20 elementary teacher of that school. Data collection tools have been semi-structured interviews with t...

acknowledgements i wish to express my gratitude to all those who have helped me in preparing this thesis. i would like to express my deep gratitude to my respected advisor dr. kourosh akef, whose advice and comments helped me in the early stages of the research and throughout the writing process. i would also like to express my gratitude to dr. hajar khanmohammad whose invaluable guidance he...