Warning signs for suicide in Internet forums
Related Experiment Video
Updated: May 17, 2026

Transcranial Direct Current Stimulation for Online Gamers
Published on: November 9, 2019
Stephanie McSwain1, David Lester, John F Gunn
1Psychology Program, The Richard Stockton College of New Jersey, 101 Vera King Farris Drive, Galloway, NJ 08205-9441, USA.
Abstract:
The presence of 10 warning signs for suicide proposed by the American Association of Suicidology was compared in 215 postings on a suicide forum and 94 postings on a self-injury forum. The suicide forum postings received a higher score on the 10 signs than the self-injury forum postings, and significant differences were found for 6 of the 10 signs: suicidal ideation, purposelessness, trapped, hopelessness, withdrawal, and, in the reverse direction, recklessness. Overall, the findings support the usefulness of the warning signs in identifying suicidal individuals.
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