samanidgovernment was established in the fourthcentury (ah) in the east of islamic caliphate, within a rich socio-cultural context. samanid dynasty needed to prove its rights and legitimacy because of its conflict with the political discourse of their rival governments. this had to be done by taking advantage of thevalues and conceptsembedded in the rational, cultural, and conceptual contextsan...

Political sophistication is a concept that encompasses political reasoning, the coherence of people's issue attitudes, and their knowledge of political processes. To what extent is political sophistication affected by genes and environments? Do these distinct but related measures of sophistication share a common genetic structure? We analyze survey data collected from participants in the Minnes...

a response to the problem of irans backwardness preoccupied the minds of intellectual and political forces. since irans failure from russia while different domestic and external factors caused to defeat, differend and even contending views concerning irans backwardness played a key role in these failures. these diverse and contending views which arised at first in compilation of laws and establ...

Legitimacy is always considered an important concept among basic topics of political science; since it has been already posed as the prerequisite of acceptability for exercising of power in the societies through history. Accordingly, all of the political philosophies made efforts to establish an intellectual apparatus that enforces the fundamentals of governance, dealt to some extent with the i...

We estimated ideological preferences of 3.8 million Twitter users and, using a data set of nearly 150 million tweets concerning 12 political and nonpolitical issues, explored whether online communication resembles an "echo chamber" (as a result of selective exposure and ideological segregation) or a "national conversation." We observed that information was exchanged primarily among individuals ...

Do legislators remain at one point on the ideological spectrum for their entire careers, or do they update their ideological positions in response to the demands of constituents? Although theories of the electoral connection predict that legislators should adapt to voter demands, most empirical studies instead show that they maintain consistent positions in the face of changing political condit...