Related Experiment Video
Updated: Mar 22, 2026

07:57
A New Method for Inducing a Depression-Like Behavior in Rats
Published on: February 22, 2018
22.6K
Complex Contagion of Campaign Donations
Vincent A Traag1,2,3
1Royal Netherlands Institute of Southeast Asian and Caribbean Studies, Leiden, Netherlands.
Plos One
|April 15, 2016
Summary
Campaign donations spread through elite networks via independent reinforcement contagion. Exposure to diverse donor groups, rather than homogenous ones, drives donations, influencing overall campaign finance.
Area of Science:
- Political Science
- Sociology
- Network Analysis
Background:
- Campaign finance heavily relies on wealthy elites.
- Political donations exhibit social contagion effects.
- Understanding donation diffusion in elite networks is crucial.
Purpose of the Study:
- To analyze campaign donation diffusion within a large elite network.
- To investigate the role of network connectivity in reinforcing donation contagion.
- To examine the impact of social group exposure on donation behavior.
Main Methods:
- Analysis of a network comprising over 50,000 elites.
- Studying the diffusion patterns of campaign donations.
- Quantifying the influence of donor group homogeneity versus heterogeneity.
Main Results:
- Donation diffusion is driven by independent reinforcement contagion.
- Exposure to donors from diverse social groups increases donations.
- Simultaneous cross-cutting exposure slightly decreases donations.
- Early donor independence predicts total campaign funds raised.
Conclusions:
- Existing complex contagion theories require refinement.
- Political campaigns should strategically target diverse communities.
- Elite network structures significantly influence campaign finance dynamics.
Related Concept Videos
Group Polarization
39.3K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
39.3K
Causality in Epidemiology
1.9K
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
1.9K
Investigation of Disease Outbreaks
29
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
29
In- and Out-Groups
44.1K
People all belong to a gender, race, age, and social economic group. These groups provide a powerful source of our identity and self-esteem (Tajfel & Turner, 1979) and serve as our in-groups. An in-group is a group that we identify with or see ourselves as belonging to.
44.1K
Social Exchange Theory
698
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...
698
Social Exchange Theory
40.9K
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).
40.9K

