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Related Concept Videos

Aggression01:47

Aggression

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 hire...
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Secondary Motives: Affiliation Motivation and Aggression Motivation01:21

Secondary Motives: Affiliation Motivation and Aggression Motivation

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...
Conduct Disorder01:28

Conduct Disorder

Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
Bullying02:04

Bullying

A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is bullying.

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Related Experiment Video

Updated: Jun 27, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

The aggressive behavior scale: a new scale to measure aggression based on the minimum data set.

Christopher M Perlman1, John P Hirdes

  • 1Homewood Health Centre, Guelph, Ontario, Canada.

Journal of the American Geriatrics Society
|December 20, 2008
PubMed
Summary

The Aggressive Behavior Scale (ABS) reliably measures aggressive behaviors in elderly care settings. It correlates with other scales and predicts outcomes like psychiatric diagnoses and restraint use.

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Area of Science:

  • Gerontology
  • Psychiatry
  • Health Services Research

Background:

  • Aggressive behavior is a significant concern in long-term care facilities.
  • Accurate measurement tools are essential for effective care planning and quality improvement.

Purpose of the Study:

  • To evaluate the reliability and validity of the Aggressive Behavior Scale (ABS).
  • The ABS is derived from the Minimum Data Set (MDS 2.0) for use in nursing homes and complex continuing care settings.

Main Methods:

  • Retrospective analysis of MDS 2.0 and Cohen Mansfield Agitation Inventory (CMAI) data from Ontario nursing homes and CCC hospitals.
  • Trained clinical staff completed the MDS 2.0, including the 4-item ABS, during routine practice.
  • Data from 124,259 patients were analyzed across three samples.

Main Results:

  • The ABS demonstrated strong internal consistency (Cronbach's alpha 0.79-0.93) across samples.
  • A significant positive correlation was found between the ABS and the CMAI aggressive subscale (r=0.72, P<.001).
  • Higher ABS scores were associated with cognitive impairment, psychiatric diagnoses, and increased restraint use in CCC patients.

Conclusions:

  • The ABS is a reliable and valid measure for assessing the severity of aggressive behavior.
  • The ABS can be effectively utilized for care planning, quality measurement, and research in geriatric care settings.