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Human behavior is intricately shaped by social influences that arise from interactions with others in diverse contexts. These influences not only mold beliefs and attitudes but also drive the regulation of behaviors through both direct communication and observational learning. The study of these processes falls within the domain of social psychology, which seeks to understand how individuals are affected by and affect those around them.Mechanisms of Social InfluenceDirect social influence...
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The discussion of bullying highlights the problem of witnesses not intervening to help a victim. This is a common occurrence, as the following well-publicized event demonstrates. In 1964, in Queens, New York, a 19-year-old woman named Kitty Genovese was attacked by a person with a knife near the back entrance to her apartment building and again in the hallway inside her apartment building. When the attack occurred, she screamed for help numerous times and eventually died from her stab wounds.
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The actions and characteristics of others heavily influence the causes of social behaviors. Emotional expressions serve as powerful social signals, shaping behaviors and interactions in significant ways. Whether through direct observation or subconscious processing, individuals constantly adjust their responses based on the emotions and attributes of those around them.Emotional Cues and Social ResponsesFacial expressions, tone of voice, and body language provide crucial emotional cues that...
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Related Experiment Video

Updated: Dec 10, 2025

A Task for Assessing the Impact of a Partner on the Speed and Accuracy of Motor Performance in Rats
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Anybody watching? How others affect helpful actions.

Manon K Schweinfurth1

  • 1School of Psychology and Neuroscience, University of St Andrews, KY16 9JP, St Andrews, Scotland. ms397@st-andrews.ac.uk.

Learning & Behavior
|September 5, 2020
PubMed
Summary

Rats help less with passive bystanders but more with active ones. This study explores rat social behavior and bystander effects on cooperation.

Area of Science:

  • Animal behavior
  • Social cognition
  • Behavioral neuroscience

Background:

  • Understanding the influence of social context on prosocial behavior is crucial.
  • Bystander effects, where the presence of others impacts an individual's likelihood to help, are well-documented in humans but less explored in rodents.

Purpose of the Study:

  • To investigate how the presence of passive and active bystanders affects helping behavior in rats.
  • To explore the role of social skills and bystander dynamics in mediating cooperation in rats.

Main Methods:

  • Experimental setup involving rats in a situation requiring helping behavior.
  • Manipulation of bystander presence: passive (non-interacting) vs. active (engaging in helping).
  • Observation and quantification of the focal rat's helping response.
Keywords:
Bystander effectCooperationHelpNorway rats

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Main Results:

  • Rats exhibited reduced helping behavior when passive bystanders were present.
  • Conversely, rats showed increased helping behavior in the presence of active bystanders who engaged in helping.
  • This indicates a modulation of prosocial behavior by bystander activity.

Conclusions:

  • The study demonstrates that rats' prosocial behavior is sensitive to the social context, specifically the behavior of bystanders.
  • Active bystanders can promote cooperation, while passive bystanders may inhibit it.
  • Findings highlight the nuanced social skills of rats and the significant role of bystanders in shaping cooperative actions.