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Issue Info: 
  • Year: 

    2022
  • Volume: 

    12
  • Issue: 

    47
  • Pages: 

    113-144
Measures: 
  • Citations: 

    0
  • Views: 

    193
  • Downloads: 

    26
Abstract: 

One of the factors that can be the link between our intentions and actions and their external consequences is human agency, which indicates the conscious design and intentional execution of actions by the individual in order to influence future events.Objective and Method: This research with a developmental approach of psychometric method and method 1, examines the psychometric indices of the Human Factor Characteristics Scale using the classical theory of test score measurement and the graduated question-answer theory. The purpose of this study, which included high school students in Tehran, was selected by cluster sampling of 500 people as a sample size and statistical analysis was performed on 481 data. To collect the data, the ion Human Agent Characteristics Scale (2011) was used and the research questions were evaluated using IRTPRO and SPSS software.Results:The assumption of local independence based on Pearson x2 index was established by applying Simjima's calibrated question-answer theory and the assumption of being one-dimensional based on the analysis of multidimensional question-answer theory. Diagnosis parameters with question-answer approach and classical approach Test score Both item 25 approach had the lowest and item 2 had the highest diagnosis parameter. The answer thresholds for all the questions were so far apart that no option was covered by the other option, and the options were independently selected by individuals at intervals of theta. The total scale was calculated with Cronbach's alpha of 0.945, intentionality of 0.894, foresight of 0.780, self-reactivity of 0.871 and rethinking of 0.762. Also, the role of each item in internal consistency was investigated by the loop method, which all questions had a favorable role in internal consistency of this scale. The value of the validity coefficient obtained from the question-answer theory was obtained by marginal method for intentionality 0.92, forethought 0.85, self-reaction 0.91, rethinking 0.83..

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Writer: 

Issue Info: 
  • End Date: 

    1395
Measures: 
  • Citations: 

    1
  • Views: 

    244
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 244

Issue Info: 
  • Year: 

    2020
  • Volume: 

    36-2
  • Issue: 

    1/1
  • Pages: 

    33-44
Measures: 
  • Citations: 

    0
  • Views: 

    285
  • Downloads: 

    0
Abstract: 

Transportation networks are essential infrastructures of the present societies and are progressively growing in importance. Therefore, the network should develop in accordance with the society's needs. Transportation network expansion is a costly process and often is not returnable. Usually, there are not enough resources to satisfy the hole future demand; therefore, available resources must be utilized in an efficient manner. It has been shown that classic transportation planning approach and decision theory should be revised and a more flexible planning approach must be taken to deal with the uncertainties and the internal or external changes. The concept of flexibility has been used in many scientific disciplines including transportation planning. Most of the studies of network flexibility have focused on the concept of capacity flexibility. Network flexibility can be considered as an effective factor in network reliability. A network should be flexible enough to be considered as a reliable one. In this study, a model of transportation network design has been developed based on increasing the flexibility, especially increasing the survivability of the network facing daily variations including daily crashes or rush-hour blockings. Network survivability is the ratio of the demand that will be answered after the occurrence of a failure in a network. Improving the properties of a network will affect the flow pattern all around the network. In most studies, utility theory has been used to model user answer to realize the model to a greater degree. It has been shown that utility theory faces basic shortcomings and regret theory has been introduced as an alternative way to handle the users' behavior. In this study, a stochastic user equilibrium has been developed based on regret theory to model the user reply to the network expansion. Results show that the network improves based on the survivability model, which has better performance when a link is blocked.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Author(s): 

STYCZYNSKI Z.A.

Issue Info: 
  • Year: 

    1990
  • Volume: 

    1
  • Issue: 

    -
  • Pages: 

    607-613
Measures: 
  • Citations: 

    1
  • Views: 

    141
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 141

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Issue Info: 
  • Year: 

    2022
  • Volume: 

    8
Measures: 
  • Views: 

    189
  • Downloads: 

    0
Abstract: 

In this paper, the Iran railway network has been analyzed based on structural properties and vulnerabilities. To do this, more than 400 cities have been extracted from Iran railway information and the network has been constructed accordingly. Then, multiple structural properties of the network have been investigated including degree distribution, betweenness, clustering coefficient, and distance distribution. Finally, the network reliability has been studied intensively using random as well as adversarial attacks. According to the calculations, the average degree of the nodes is about 2 and the average shortest path length is about 40. Thus the network would require a structural optimization to improve the economic benefits. Also, according to the attacks made on the nodes, the global efficiency of the network will be dropped more rapidly using the maximum-betweenness attack. Moreover, only small parts of the network could keep their functionality as the size of the giant component is decreased very sharply when less than 20% nodes are removed from the network randomly or intentionally.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    0
  • Volume: 

    45
  • Issue: 

    -
  • Pages: 

    351-358
Measures: 
  • Citations: 

    1
  • Views: 

    289
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 289

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Issue Info: 
  • Year: 

    1355
  • Volume: 

    -
  • Issue: 

    46
  • Pages: 

    416-423
Measures: 
  • Citations: 

    1
  • Views: 

    323
  • Downloads: 

    0
Keywords: 
Abstract: 

0

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 323

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Issue Info: 
  • Year: 

    1356
  • Volume: 

    47
  • Issue: 

    -
  • Pages: 

    150-158
Measures: 
  • Citations: 

    1
  • Views: 

    242
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 242

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Issue Info: 
  • Year: 

    2016
  • Volume: 

    1
  • Issue: 

    2
  • Pages: 

    9-23
Measures: 
  • Citations: 

    0
  • Views: 

    225
  • Downloads: 

    112
Abstract: 

It is very important for managers, investors and financial policy-makers to detect and analyze factors affecting financial markets to obtain optimal decision and reduce risks. The importance of market analysis and attempt to improve its behavior understanding, has led analysts to use the experiences of other professionals in the fields such as social sciences and mathematics to examine the interaction of market in a different way. This article reviews the use of networks and graph theory to analyze the behavior of social and financial phenomena that in recent years has been expanded. First, the original of this theory that donate from discrete mathematics, is introduced and then some details are given about the characteristics of a network, such as power law property, scale-free networks and minimum spanning tree. The results show that financial markets dynamics have caused the dynamically development of the approaches, methods and models of market analysis, so the effect of investment opportunities on each other was evaluated to identify market behavior.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2018
  • Volume: 

    18
  • Issue: 

    7 (59)
  • Pages: 

    159-180
Measures: 
  • Citations: 

    0
  • Views: 

    685
  • Downloads: 

    0
Abstract: 

This article introduces, analyzes, and criticizes the work of Lawrence M. Hinman, Ethics: A Pluralistic Approach to Moral Theory. Hinman is a Philosopher of Ethics in the multimedia learning. He believes that multiculturalism is important factor of nowadays so the most important responsibility of philosophers of Ethics is prevention of moral conflict. The global communication and information in 21st century needs global tolerance and respect of various nations, cultures, and moralities together because different people and societies have a common human nature and common natural rights that obligate to justice and moral relationship between different people and various societies’ beliefs throughout the world. Moral communication in multiculturalism approach is against racial, gender, national, and ethnic prejudice. Hinman believes in moral dialogue and global learning across different cultures. The book of Ethics: A Pluralistic Approach to Moral Theory has a proper category of new ethical problems, and the candid standpoint of author is considerable. He has a logical method, and in the end of every part of book there are some questions for evaluation of students learning. So this book is proper for the philosophy of ethics in universities.

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