Disclosing Public Values: Citizens’ Perspectives Based on Group Model Building

mortality forecasting based on lee-carter model

over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...

Professional recommendations: disclosing facts and values.

It is not unusual for patients and their families, when confronted with difficult medical choices, to ask their physicians for advice. This paper outlines the shades of meaning of two questions frequently put to physicians: "What should I do?" and "What would you do?" It is argued that these are not questions about objective matters of fact. Hence, any response to such questions requires an und...

Group Model Building

Building a Model of effect of radio & television on the learning of science and technology based on radio & television managers and communication experts perspectives)

This study is determinded to build a model for improving the effectiveness of national media impact on the promotion of science and technology. This by reviewing, there is researched  at the first, theoretical studies of scientific and technological culture in the world, then compared benchmarking between Iran and the country's position  The questionnaire was designed based on global studies an...

GTrust: a group based trust model

Nowadays, the growth of virtual environments such as virtual organizations, social networks, and ubiquitous computing, has led to the adoption of trust concept. One of the methods of making trust in such environments is to use a long-term relationship with a trusted partner. The main problem of this kind of trust, which is based on personal experiences, is its limited domain. Moreover, both par...