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Related Concept Videos

Bystander Effect02:09

Bystander Effect

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.
Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
Self-Presentation: Self-Monitoring and Self-Handicapping02:05

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People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about the way you...
Deindividuation00:57

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Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.

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Related Experiment Video

Updated: Jul 16, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

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Published on: November 21, 2013

Behind impulsive suicide attempts: indications from a community study.

Marianne Wyder1, Diego De Leo

  • 1Australian Institute for Suicide Research and Prevention, World Health Organization Collaborating Centre for Research and Training in Suicide Prevention, Griffith University, Brisbane, Queensland 4111, Australia.

Journal of Affective Disorders
|April 3, 2007
PubMed
Summary

Impulsive suicide attempts often occur with prior suicidal thoughts. Identifying these impulsive behaviors offers intervention opportunities, though further research on impulsivity is needed.

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Published on: March 17, 2019

Area of Science:

  • Psychiatry
  • Psychology
  • Public Health

Background:

  • A significant portion of suicide attempts are impulsive.
  • Understanding the characteristics of impulsive attempters is crucial for prevention.
  • Suicidal ideation patterns preceding impulsive attempts require further investigation.

Purpose of the Study:

  • To investigate characteristics of impulsive suicide attempters.
  • To identify patterns of suicidal ideation before impulsive attempts.

Main Methods:

  • Analysis of data from 5130 individuals in Brisbane, Australia.
  • Computer-assisted telephone interviews (CATI) for recruitment.
  • Mail questionnaires for subjects reporting previous suicidal behavior.

Main Results:

  • One quarter of 112 suicide attempters exhibited impulsive patterns.
  • Most impulsive attempters experienced suicidal thoughts beforehand.
  • Impulsive attempters were less likely to expect death or experience depression, with no significant differences in age, gender, motivations, or trait impulsivity scores compared to non-impulsive attempters.

Conclusions:

  • Suicidal feelings before an attempt present an intervention opportunity for impulsive attempters.
  • Further research is necessary to effectively identify impulsivity in suicide attempts.
  • Study limitations include a small number of attempters, potential recall bias, and possible misinterpretation of mailed survey questions.