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Related Concept Videos

Aggression01:47

Aggression

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Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for...
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Secondary Motives: Affiliation Motivation and Aggression Motivation01:21

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Affiliation motivation is the intrinsic desire to connect with others and belong to a social group, which plays a crucial role in forming and maintaining personal relationships. This type of motivation is essential for psychological well-being, as it provides individuals with a sense of community and support. An example of this is a student who joins a study group in order to feel a sense of connection. People with high affiliation motivation actively seek social approval, take satisfaction in...
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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Language Development01:22

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Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
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The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
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Related Experiment Video

Updated: Feb 16, 2026

Studying Aggression in Drosophila fruit flies
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Development of aggression.

Jennifer E Lansford1

  • 1Duke University, Center for Child and Family Policy, Box 90545, Durham, NC 27708, USA.

Current Opinion in Psychology
|December 28, 2017
PubMed
Summary
This summary is machine-generated.

Recent research advances the understanding of aggression development through refined measurement, precise examination of risk factors, neurobiological insights, and cross-cultural validation. These findings enhance our knowledge of aggression

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Related Experiment Videos

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Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Behavioral Science

Background:

  • Aggression development theories require continuous empirical validation.
  • Understanding the multifaceted nature of aggression is crucial for intervention.

Purpose of the Study:

  • To summarize recent advancements in understanding aggression development.
  • To highlight key areas of progress in the last two years.

Main Methods:

  • Review of empirical findings and theoretical advancements.
  • Analysis of studies employing nuanced operationalization of aggression.
  • Examination of mediator and moderator variables.
  • Integration of neuroscience and gene-environment interaction research.
  • Inclusion of cross-cultural and international research.

Main Results:

  • Increased precision in defining aggression forms and functions.
  • More accurate identification of mediators and moderators in aggression.
  • Enhanced understanding of genetic and neurobiological factors.
  • Validation of findings across diverse cultural contexts.

Conclusions:

  • Recent research provides a more sophisticated understanding of aggression development.
  • Future research should continue to integrate diverse methodologies and samples.