Jove
Visualize
Contact Us
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 Concept Videos

Factors Influencing Attraction IV: Reciprocity01:28

Factors Influencing Attraction IV: Reciprocity

230
Reciprocity in attraction is fundamental to social and romantic relationships, shaping how individuals form and maintain connections. The psychological principle underlying this phenomenon is that people tend to like those who express liking toward them. Balance theory supports this tendency, suggesting that mutual attraction fosters psychological harmony, whereas one-sided affection leads to discomfort and cognitive dissonance.The Psychological Mechanisms Behind ReciprocityWhen individuals...
230
Nonconscious Mimicry01:13

Nonconscious Mimicry

5.1K
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
5.1K
Social Facilitation01:04

Social Facilitation

36.0K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
36.0K
Social Foundations of Self I: Play and Game01:24

Social Foundations of Self I: Play and Game

179
The development of self in children is deeply rooted in social interactions, mainly through stages of play and structured games. These stages, outlined by sociologist George Herbert Mead, illustrate how children progressively learn to understand and adopt social roles, forming a cohesive sense of self.The Play Stage: Imitation and Simple Role-TakingIn the early years of childhood, the play stage is characterized by imitative behavior, where children engage in role-playing based on familiar...
179
Inclusive Fitness00:57

Inclusive Fitness

37.2K
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
37.2K
Fixed Action Patterns01:06

Fixed Action Patterns

17.4K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.4K

You might also read

Related Articles

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

Sort by
Same author

Proximity-Driven Protein Ligation Beyond the Concentration Limit.

Journal of the American Chemical Society·2026
Same author

Proactive Health: A Culture-Centered Study on the Differential Health Practices of Older Adults in Elderly Care Institutions in China.

Health communication·2026
Same author

Direct Photoredox Synthesis of <i>N</i>-Linked Glycoproteins.

Journal of the American Chemical Society·2026
Same author

WMRNN: Weighted Modal Regression Neural Networks for Right Censored Data.

Statistics in medicine·2026
Same author

Elemental phosphorus-stabilized Ni<sub>2</sub>P for efficient electrooxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid.

Chemical communications (Cambridge, England)·2026
Same author

Evaluation of a novel C2 pedicle screw insertion technique: a retrospective comparative clinical study and finite element analysis.

Scientific reports·2026
Same journal

An integrative model of FGF2-induced signaling and muscle cell proliferation.

Journal of theoretical biology·2026
Same journal

A hybrid reaction-diffusion and mechanical stimulus model for mandibular bone remodeling under chewing and vibratory loading.

Journal of theoretical biology·2026
Same journal

Integrated tick management strategies in fragmented peridomestic environments.

Journal of theoretical biology·2026
Same journal

Joint likelihood-free inference of the number of selected single nucleotide polymorphisms and their selection coefficients in an evolving population.

Journal of theoretical biology·2026
Same journal

Misspecification of the generation time distribution and its impact on R<sub>t</sub> estimates in structured populations.

Journal of theoretical biology·2026
Same journal

Evolution of dispersal in a spatially heterogeneous population with finite patch sizes and catastrophes.

Journal of theoretical biology·2026
See all related articles

Related Experiment Video

Updated: Jan 12, 2026

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
06:18

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

2.5K

Direct reciprocity in multi-action repeated games.

Feipeng Zhang1, Lei Zhou2, Guofeng Zhang3

  • 1Center for Complex Systems, Xidian University, Xi´an, 710071, China; Department of Applied Mathematics, The Hong Kong Polytechnic University, Kowloon Hong Kong,999077, China.

Journal of Theoretical Biology
|November 8, 2025
PubMed
Summary
This summary is machine-generated.

Introducing more actions beyond simple cooperation or defection significantly enhances direct reciprocity. Increased action diversity in repeated interactions promotes cooperation more effectively than binary choices.

Keywords:
Action diversityCooperative strategiesDirect reciprocityEvolutionary game theoryMulti-action repeated games

More Related Videos

Peering into the Dynamics of Social Interactions: Measuring Play Fighting in Rats
15:01

Peering into the Dynamics of Social Interactions: Measuring Play Fighting in Rats

Published on: January 18, 2013

15.9K
The HoneyComb Paradigm for Research on Collective Human Behavior
06:48

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

9.8K

Related Experiment Videos

Last Updated: Jan 12, 2026

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
06:18

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

2.5K
Peering into the Dynamics of Social Interactions: Measuring Play Fighting in Rats
15:01

Peering into the Dynamics of Social Interactions: Measuring Play Fighting in Rats

Published on: January 18, 2013

15.9K
The HoneyComb Paradigm for Research on Collective Human Behavior
06:48

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

9.8K

Area of Science:

  • Evolutionary Game Theory
  • Behavioral Economics
  • Social Psychology

Background:

  • Direct reciprocity is key to cooperation in repeated interactions.
  • Traditional models often use a binary choice (cooperate/defect), limiting real-world applicability.
  • This simplification overlooks the nuances of reciprocal interactions.

Purpose of the Study:

  • To investigate how increasing the diversity of actions impacts cooperation in direct reciprocity.
  • To identify specific intermediate actions that best promote cooperation.
  • To establish the theoretical conditions for enhanced cooperation through action diversity.

Main Methods:

  • Introduced a model with a broader range of actions beyond binary choices.
  • Utilized evolutionary analysis to determine which actions foster cooperation.
  • Employed equilibrium analysis to define theoretical conditions for cooperation.

Main Results:

  • A wider range of available actions more effectively promotes cooperation than a binary choice.
  • Identified specific types of intermediate actions that are particularly beneficial for cooperation.
  • Theoretical analysis confirmed the conditions under which action diversity enhances cooperation.

Conclusions:

  • Action diversity is crucial for sustaining cooperation in direct reciprocity.
  • Moving beyond binary choices offers a more realistic and effective framework for understanding cooperation.
  • Findings provide deeper insights into the mechanisms driving cooperative behavior.