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According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
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If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
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Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
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Horney's Sociocultural Approach01:27

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Karen Horney's psychoanalytic theories emphasize the potential for self-realization and the importance of addressing social and cultural, rather than biological, factors in personality development. She challenged traditional Freudian views, particularly Freud's concept of "penis envy," which she argued stemmed from cultural influences rather than inherent biological differences. Horney believed that any sense of inferiority in women was a result of societal conditioning, such as...
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Related Experiment Video

Updated: May 29, 2025

A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect
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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect

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Bonobos point more for ignorant than knowledgeable social partners.

Luke A Townrow1, Christopher Krupenye1

  • 1Department of Psychological & Brain Sciences, Johns Hopkins University, Baltimore, MD 21218.

Proceedings of the National Academy of Sciences of the United States of America
|February 3, 2025
PubMed
Summary

Bonobos can understand when humans are ignorant about a hidden food

Keywords:
communicationcoordinationprimatessocial cognitiontheory of mind

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Area of Science:

  • Primate cognition
  • Comparative psychology
  • Animal communication

Background:

  • Human cooperation relies on tailoring communication to others' knowledge states.
  • Previous research has not confirmed primates' ability to communicate based on mental state attributions for coordination.
  • Recent studies question if primates can represent others' ignorance.

Purpose of the Study:

  • To investigate if bonobos can attribute knowledge or ignorance to a human partner regarding a hidden food location.
  • To determine if bonobos modify their communication based on a partner's mental state for coordination.

Main Methods:

  • A preregistered study involving bonobos and a cooperative human partner.
  • Bonobos observed food being hidden under one of several cups.
  • Bonobos received a reward if the human partner could locate the hidden food.

Main Results:

  • Bonobos increased the frequency and speed of their pointing communication when the human partner was ignorant of the food's location.
  • Bonobos demonstrated flexible adaptation of communicative behavior based on the partner's knowledge state.

Conclusions:

  • Bonobos appear capable of representing and acting on others' ignorance.
  • This suggests strategic and appropriate communication by apes to coordinate with ignorant partners.
  • Findings imply a more sophisticated understanding of mental states in bonobos than previously demonstrated.