درخت حوزه‌های تخصصی

Purpose: The quality of education and research is one of the concerns that academic systems always strive to achieve. Undoubtedly, the existence of leading professors with appropriate scientific and ethical competencies is one of the effective fundamental factors in the quality of higher education systems. Methodology: The general purpose of the present study is to examine the dimensions of leading professors and determine the importance and priority of these goals. In terms of purpose, this research is an application that was done with a mixed approach (qualitative and quantitative) with an exploratory design. In the qualitative approach, the content analysis method was used and in the quantitative approach, the descriptive survey method was used. The statistical population consisted of 20 professors of Babol University of Medical Sciences in the qualitative department and 348 faculty members of Babol University of Medical Sciences in the quantitative department. Taking the saturation law, 10 people and in the quantitative part, based on Cochran's formula, 183 people were selected as a statistical sample using stratified random sampling method based on scientific rank. By analyzing the qualitative data, a researcher-made questionnaire designed by leading professors with 80 questions was designed. Data were analyzed by structural equation modeling in SPSS-23 and PLS-2 software. Findings: The results showed that; Leading professors have three dimensions: "educational, research and individual". Conclusion: Educational dimension with five components (teaching skills, educational technology, education management, evaluation skills and observance of educational rules), research dimension with two components (scholarship and research ethics) and individual dimension with five components (characteristics Appearance is professional ethics, honesty, creativity and discipline) which has a greater impact on the educational dimension with a factor load of 0.963 and a research dimension with a factor load of 0.894.

Iran in the 19th century was different in foreign policy perspective. The catastrophic failures in Russo-Persian wars, the partition of Caucuses form Iran and the Tsars’ plans for accessing southern seas of Iran, British rule over India and Southern Indian Ocean waterways, all revived the importance of Iran as a buffer country in the Eastern policy of London politicians; events which transformed Iran into a center for Russian-British Bipolar Paradigm rivalry. The Iranian politicians acknowledging the dangers of such dual external rule were seeking a third power to decrease the pressure of their Northern-Southern neighbors. Qajar politicians believed that a third power would be a better balancer against Russia and Britain and would be assisting in the protecting national independence and territorial integrity. On the other side, America as a developed country, which set aside civil wars successfully, with the slogan of friendship and trade, was eager to establish political relations with countries like Iran and sign amity and trade agreements. This was the circumstances in which diplomatic relations between Iran and the US was established in the 19th century (AD).

The main purpose of this research is the study on effect of Financial and Operating Leverage and Venture Capital on Tobin's Q ratio amongst companies listed in Tehran Stock Exchange. In this research, the Holdings and Investment companies are used as statistical samples and 73 enterprises that are listed in Tehran Stock Exchange within 2001 to 2016 have been studied. The results driven by this research show that Venture Capital, hereafter called "VC", and Operating Leverage, hereafter called "OPL", are positively related to Tobin's Q ratio while Financial Leverage, hereafter called "FL", has negative relation. At the same time, combined variables “FL” and “VC” are negatively correlated with Tobin's Q ratio and combined variable “OPL” and “VC” are neutral on Tobin's Q ratio. The effect estimation of independent variables, namely FL, OPL and VC and control variables, over dependent variable of Tobin's Q ratio is 55%, which is in fact noticeable.