نتایج جستجو برای: reciprocity property

تعداد نتایج: 169167  

Journal: :Compositio Mathematica 2016

Journal: :JAMA: The Journal of the American Medical Association 1906

2013
Tiziano Squartini Francesco Picciolo Franco Ruzzenenti Diego Garlaschelli

In directed networks, reciprocal links have dramatic effects on dynamical processes, network growth, and higher-order structures such as motifs and communities. While the reciprocity of binary networks has been extensively studied, that of weighted networks is still poorly understood, implying an ever-increasing gap between the availability of weighted network data and our understanding of thei...

2014
Neema Sofaer

A common reason for giving research participants post-trial access (PTA) to the trial intervention appeals to reciprocity, the principle, stated most generally, that if one person benefits a second, the second should reciprocate: benefit the first in return. Many authors consider it obvious that reciprocity supports PTA. Yet their reciprocity principles differ, with many authors apparently unaw...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
K Luan Phan Chandra Sekhar Sripada Mike Angstadt Kevin McCabe

Brain reward circuitry, including ventral striatum and orbitofrontal cortex, has been independently implicated in preferences for fair and cooperative outcomes as well as learning of reputations. Using functional MRI (fMRI) and a "trust game" task involving iterative exchanges with fictive partners who acquire different reputations for reciprocity, we measured brain responses in 36 healthy adul...

Journal: :Journal of Pure and Applied Algebra 2007

Journal: :Journal of Political Economy 1902

Journal: :اقتصاد پولی مالی 0
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the present research was carried out on the comparative study of social capital in kerman city public banks. the present research method is descriptive and survey, and data collection tool is a questionnaire. therefore, from among public banks, four banks (melli, mellat, refah and tejarat) were randomly selected. three tests of one-way anova, scheffe, and one –sample t-test was used to analyze ...

Alireza Khoshbin Khoshnazar Milad Mokhtarian Peyman Hejazi, Shahin Nooshi

Introduction The main goal of this study was to perform quality control test on all radiography units operating in Golestan province of IRAN. Materials and Methods Forty-four X-ray units were examined based on general accepted programs for quality control. Eight parameters including kVp accuracy, kVp reproducibility, mA-time reciprocity, exposure linearity, exposure reproducibility, timer accur...

Background & Aims: The approach of reciprocity and mutuality in the patient/family and healthcare professional relationship is of great importance in achieving patient- and family-centered care in emergency departments (EDs). This study aimed to explore and describe the current status of reciprocity between patient/family and healthcare professionals in an Iranian ED with a particular focus on ...

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