The three-step theory of suicide: Description, evidence, and some useful points of clarification

There has been considerable uptake of the Three-Step Theory (3ST) of suicide since its publication in 2015. The 3ST is a concise, evidence-based, and actionable theory that explains suicide in terms of four factors: pain, hopelessness, connection, and capability for suicide. The 3ST has not only been cited in hundreds of scientific papers, but incorporated into continuing education programs, gatekeeper training, and self-help resources. In this...