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Suicide Life Threat Behav. 2011 Apr;41(2):137-48. doi: 10.1111/j.1943-278X.2011.00022.x.

The role of optimism in the interpersonal-psychological theory of suicidal behavior.

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  • 1Oklahoma State University, Stillwater, OK74078, USA.


A possible relationship between Joiner's (2005) interpersonal-psychological theory of suicidal behavior and optimism was investigated by examining the ability of optimism to act as a moderator of perceived burdensomeness, thwarted belongingness, and acquired capability to engage in self-injury in the prediction of suicidal ideation. Results supported hypotheses that optimism would serve as a moderator of the effects of thwarted belongingness and perceived burdensomeness in the prediction of suicidal ideation; however, similar results were not found regarding the acquired capability to engage in self-injury. How optimism might play a role in alleviating suicidal ideation and clinical implications of the findings are discussed.

© 2011 The American Association of Suicidology.

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