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مرکز اطلاعات علمی SID1
اسکوپوس
مرکز اطلاعات علمی SID
ریسرچگیت
strs
Author(s): 

sancholi Nasser

Issue Info: 
  • Year: 

    2019
  • Volume: 

    11
  • Issue: 

    3
  • Pages: 

    101-104
Measures: 
  • Citations: 

    0
  • Views: 

    471
  • Downloads: 

    251
Abstract: 

Habitat suitability prediction for the animals is one of the ways to achieve the conservation goals for biodiversity. In the present study, habitat suitability of Lacerta Media has been evaluated. Based on the maximum entropy result, northwest and western Iran has been predicted as the most suitable for the species presence. Also there are several records of the species presence in Alborz, Markazi, East Azarbaijan and Esfahan provinces that currently situated outside of the suitable predicted region. Precipitation of the coldest quarter with contribution more than 40% was distinguished as the most contributed environmental variable for species presence. Unsuitability prediction of the species presence in central plateau and East Azarbaijan province directly has been influenced by the recent decreasing of winter precipitation. Also, disturbance the habitats of the species along valleys and rivers is the main factors to the decreasing population size of the species. Finally, evaluation the effective factors for species distribution and finding new suitable areas for species presence can help to prevent the species extinction risk in the wild.

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Author(s): 

SILVERSTONE ROGER

Issue Info: 
  • Year: 

    2004
  • Volume: 

    26
  • Issue: 

    3
  • Pages: 

    440-449
Measures: 
  • Citations: 

    410
  • Views: 

    30739
  • Downloads: 

    19766
Keywords: 
Abstract: 

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Issue Info: 
  • Year: 

    2020
  • Volume: 

    21
  • Issue: 

    49
  • Pages: 

    7-31
Measures: 
  • Citations: 

    0
  • Views: 

    594
  • Downloads: 

    427
Abstract: 

The Research Evaluates new Media impacts on Iranian Media system. It seems that new Media in Iran these days deeply effect on mainstream Media and even in some cases makes them to lose their functions. This research tries to evaluate new Media impacts on Iranian mainstream Media’ s internal mechanisms and also relations between them with the people and with the political and economic system. The new Media impacts on mainstream Media and their relations with system were evaluated by qualitative grounded theory methodology and new Media impacts on their relations with the people were evaluated by qualitative survey methodology. Eventually researchers concluded that new Media by themselves did not reduce the mainstream Media consumption but the tough controls and lack of professionalism in mainstream Media were the critical cause of consumption, trustfulness and influence decline so new Media rise only has amplified these consequences. In fact, powers and the people have immigrated to new Media because of weak mainstream Media but they could not entirely alternate with mainstream Media. In conclusion, Thesis found a kind of dislocation in Iranian Media system in which both mainstream and new Media as a kind of public eservice are not in their expected locations.

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گارگاه ها آموزشی
Journal: 

Media STUDIES

Issue Info: 
  • Year: 

    2013
  • Volume: 

    8
  • Issue: 

    20
  • Pages: 

    43-52
Measures: 
  • Citations: 

    0
  • Views: 

    807
  • Downloads: 

    278
Abstract: 

Transformation process status of women participation in social, cultural, political, Category in all societies, especially in developing countries, is the talk of the day. But what matters more than anything is the type and nature of the partner.Presence of women in the Turkish Media that the Media has a special feature, it is very important. This paper aims to clarify and analyze the situation of women in the Turkish Media have been developed. Descriptive and analytical approach used in this study and Population data (facts and figures about the economic status of women in Turkey) with a library of documents and data have been collected. One goal of the study was to identify the location and condition of women in the Media is the Turkish Republic. On this basis, and given the limitations of available data sources, as well as the date of issue in Iran, The present study has addressed this issue and explains. In this paper, after an overview of the theoretical basis of mass communication, to study and analyze the status, position, type of representation, how the structure of women's employment, and the use of mass Media in Turkey have been women. The final part of the paper is devoted to the analysis of the results.

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Issue Info: 
  • Year: 

    2018
  • Volume: 

    14
  • Issue: 

    51
  • Pages: 

    13-37
Measures: 
  • Citations: 

    0
  • Views: 

    24842
  • Downloads: 

    19057
Abstract: 

The research evaluates new Media impacts on Iranian mainstream Media. It seems that new Media in Iran these days deeply effect on mainstream Media and even in some cases makes them to lose their functions. This research tries to evaluate new Media impacts on Iranian mainstream Media’ s internal mechanisms and also relations between them with politic and economic activists. New Media impacts on mainstream Media and their relations with activists were evaluated by qualitative grounded theory methodology. Eventually researcher concluded that new Media by themselves did not reduce the mainstream Media consumption but the tough controls and lack of professionalism in mainstream Media were the critical cause of consumption, trustfulness and influence decline so new Media rise only has amplified these consequences. In fact, politic and economic activists and the people have immigrated to new Media because of weak mainstream Media but they could not entirely alternate with mainstream Media.

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Journal: 

Media STUDIES

Issue Info: 
  • Year: 

    2012
  • Volume: 

    7
  • Issue: 

    16
  • Pages: 

    135-148
Measures: 
  • Citations: 

    0
  • Views: 

    1078
  • Downloads: 

    938
Abstract: 

Media convergence has resulted in globalization of the Media industry while changing the basis of the economy of the industry and management of the Media agencies, so that this change has relentlessly developed the workforce of the Media companies. The issue has also changed the regime of industrial economy to a service economy. These changes have therefore created new agencies and caused their merger in various sectors of the Media market and ultimately created developments in the principles of the global trade. The Media convergence has changed the Media organizations and created particular developments in the principles of the global trade. This has caused expansion of the Media companies in foreign dimensions. The technological convergence has facilitated and expanded global exports and direct investment of the telecommunication companies in the Media thus increasing the profits, merging transnational ownerships and creating a new wave of the merger of the Media institutes. In this article we will try to answer these question: 1-what is the Media convergence.2-what is the impact of Media convergence on mass Media legislation.

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strs
Issue Info: 
  • Year: 

    2015
  • Volume: 

    7
  • Issue: 

    25
  • Pages: 

    131-150
Measures: 
  • Citations: 

    0
  • Views: 

    1109
  • Downloads: 

    523
Abstract: 

The present study aims to develop an Entrepreneurship framework for advertising agencies, to achieve the desired framework. A depth interview was done with 15 key informants who were involved dimensions of problem and had useful and ongoing experiences about the research subject. The research methodology used was based on qualitative research method, the Grounded Theory (GT), through explorative interviews with these informants, their internal structure of values, attitudes and also experiences were explored based on the research subject. Through a purposeful sampling, informants were selected from three groups that have involved the issue of research. Sampling was performed based on "theatrical saturation". Then, open coding and axial coding were applied on data obtained through interviews and selective coding was performed accordingly. Totally, 570 initial conceptual statements from the open coding and 114 categorical statements from the axial coding were obtained. Ultimately, in selective coding hypotheses reflecting the generalized relations among categories were clearly recognized and GT model appeared. This model has four theories, causal factors, conditions and areas, agency and action (strategies and interventions), outputs, outcomes and results. Based on three dimensional model (3-D model) three groups of behavioral, contextual and structural factors studied in the cause of entrepreneurship in advertising agencies, based on the obtained model, the main phenomenon is the weaknesses of professional management and absence of professional training and business environment, in other word this model explains that under what conditions, this phenomenon happens and what factors are most effective in occurrence of entrepreneurial phenomenon. Informants explain this phenomenon by its causal factors, expressing that: "which factors are effective in forming the weaknesses of professional management and absence of professional training and business environment?"-"which agencies and actions (interventions and strategies) affect the purpose?"-"how does this process lead to outcomes that guarantee the formation of Entrepreneurship in Advertising guild and consequently, maturation and expansion of business areas?"

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Journal: 

NEW Media STUDIES

Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    9
  • Pages: 

    31-76
Measures: 
  • Citations: 

    0
  • Views: 

    3940
  • Downloads: 

    2018
Abstract: 

In different countries, Media literacy education methods and success rates differ. For example, Canada, with its profound history in Media literacy education, is the most successful country in the world, but despite widespread importance of Media in Iran, Media literacy education in this country is relatively new. The present study compared performance of a model country in teaching Media literacy (Canada) with a country new on this way (Iran). Therefore, the performance of Canadian Media Awareness Network that provides Media literacy education via “Media Smarts Website” and Iranian “Media Literacy Website”, the only Persian website providing Media literacy education, were compared using “content analysis" method. The main results are as follows: majority of the contents in Iranian Website were "informative" and "alarming", but most of the contacts in Canadian Website had features of a real “educational sources. Canadian Website developed educational contents using the theories proposed by Media literacy experts; While Iranian website has not used these valuable sources.

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Writer: 

TALEBI SAJJAD

Issue Info: 
  • Year: 

    2013
  • Volume: 

    0
  • Issue: 

    3
Measures: 
  • Views: 

    102
  • Downloads: 

    43
Abstract: 

IMPOSING A BAN ON THE IRANIAN Media WHICH HAS NO LINKS WITH THE IRANIAN NUCLEAR PROGRAM SHOWS THAT THE WEST DOES NOT WANT TO RECOGNIZE IRAN AS IT IS. THE UNITED STATES AS THE LEADER OF WESTERN FRONT TELLS CLEARLY TO IRAN THAT AN INDEPENDENT AND POWERFUL IRAN IS UNACCEPTABLE FOR WEST...

Yearly Impact:  

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Author(s): 

MOHAMMADI HAMID

Issue Info: 
  • Year: 

    2008
  • Volume: 

    15
  • Issue: 

    53
  • Pages: 

    69-93
Measures: 
  • Citations: 

    1
  • Views: 

    6533
  • Downloads: 

    119
Abstract: 

Media policy is a collection of principles and norms codified for leading the behaviors of Media organizations. This collection of policies has also limited practical applications, but, in fact, it is a wide and fundamental practice.These policies, in public opinion, originate from communications, political ideologies, the country's economic, social conditions and the values underlying them. They try to connect values with real needs and Media forethought.However, it should be noted that without proper knowledge of the process of general policy making and its different stages in the government, we cannot talk about Media policy making.Without doubt Media policy making is not as old as general policy making.That's why studying general policy making help us a lot in Media policy making.In the present article, first, general policy making and then Media policy making is addressed.

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