Jove
Visualize
Contact Us

Related Concept Videos

Relationship Formation02:12

Relationship Formation

What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
Social Exchange Theory02:06

Social Exchange Theory

We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
Social Exchange Theory01:26

Social Exchange Theory

As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
Trait Centrality01:21

Trait Centrality

Trait centrality refers to the degree to which a particular characteristic influences the overall impression of an individual. Some traits exert a disproportionately strong impact on perception, shaping how people interpret other attributes of a person. Solomon Asch first systematically studied this phenomenon in 1946.Asch’s Experiment on Trait CentralityAsch's seminal study demonstrated the centrality of certain traits through a controlled experiment. Participants were presented with a list of...
Social Relationships and Well-Being01:30

Social Relationships and Well-Being

The significance of social relationships in psychological well-being is a well-established area of inquiry within social psychology. Research consistently demonstrates that the presence of meaningful, supportive relationships enhances emotional health, while the absence or deterioration of such connections can contribute to psychological distress. Relationships serve as a foundation for emotional support, identity, and social belonging, all of which are critical to an individual’s overall...
Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Recommendations for sharing network data and materials.

Network science (Cambridge University Press)·2025
Same author

Implicit models, latent compression, intrinsic biases, and cheap lunches in community detection.

Physical review. E·2023
Same author

Statistical inference links data and theory in network science.

Nature communications·2022
Same author

Ordered community detection in directed networks.

Physical review. E·2022
Same author

Systematic assessment of the quality of fit of the stochastic block model for empirical networks.

Physical review. E·2022
Same author

Null models for multioptimized large-scale network structures.

Physical review. E·2020
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 2, 2026

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

Trust transitivity in social networks.

Oliver Richters1, Tiago P Peixoto

  • 1Institut für Festkörperphysik, Technischen Universität Darmstadt, Darmstadt, Germany.

Plos One
|April 13, 2011
PubMed
Summary

Global trust propagation requires a minimum fraction of absolute trust for viability. Different trust distribution models, like community- or authority-centered, significantly alter trust propagation patterns in networks.

Area of Science:

  • Network Science
  • Information Systems
  • Sociology

Background:

  • Non-centralized recommendation systems are crucial in various social and technological domains, including market dynamics and digital trust networks.
  • Understanding trust propagation is key to analyzing the robustness and efficiency of these decentralized systems.

Purpose of the Study:

  • To investigate the properties of trust propagation on networks using a metric of trust transitivity.
  • To analytically and numerically study the percolation properties of trust transitivity in random networks.
  • To analyze trust distribution scenarios within the Pretty Good Privacy (PGP) web of trust.

Main Methods:

  • Analytical investigation of trust transitivity percolation in random networks with diverse degree distributions.

More Related Videos

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community
08:53

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community

Published on: May 31, 2019

Related Experiment Videos

Last Updated: Jun 2, 2026

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community
08:53

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community

Published on: May 31, 2019

  • Numerical simulations to validate analytical findings.
  • Comparative analysis of community-centered versus authority-centered trust distribution models in the PGP web of trust.
  • Main Results:

    • A non-zero fraction of absolute trust is essential for global trust propagation in large systems.
    • A discontinuous transition in average pair-wise trust occurs at a critical fraction of absolute trust.
    • Authority-centered trust models are more efficient and yield higher average trust but favor fringe nodes; community-centered models favor intermediate nodes.

    Conclusions:

    • The existence and fraction of absolute trust critically determine the feasibility of widespread trust propagation.
    • Trust distribution structures (community vs. authority) lead to distinct and predictable trust propagation patterns.
    • The PGP web of trust exhibits different propagation dynamics based on its underlying trust distribution strategy.