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- Title
Is Adolescent Suicidal Ideation Continuous or Categorical? A Taxometric Analysis.
- Authors
Liu, Richard; Jones, Richard; Spirito, Anthony; Liu, Richard T; Jones, Richard N
- Abstract
Despite the strong association between suicidal ideation and suicidal behavior, a relative minority of ideators transition to attempting suicide. Clarifying the latent structure of suicidal ideation has direct implications for theory, as well as suicidal risk assessment and prevention efforts. Taxometric analysis is a statistical technique specifically designed to assess whether a latent construct is taxonic (i.e., categorical) or continuous (i.e., dimensional) in nature. Although this statistical approach has been increasingly used over the past decade to elucidate the latent structure of various forms of psychopathology and related risk factors, there are no taxometric studies to date of suicidal ideation. The aim of the current project is to apply taxometric methods to a sample of clinically depressed, treatment-seeking adolescents (n = 334). Current suicidal ideation was measured using the Suicidal Ideation Questionnaire-Jr., (SIQ-Jr.). The results of two mathematically non-redundant taxometric approaches (i.e., MAXEIG and L-Mode) are consistent with a continuous latent structure for suicidal ideation. The current findings suggest that suicidal ideation in depressed adolescents is dimensional. The implication of these findings for research, theory, and suicidal risk assessment strategies are discussed.
- Subjects
SUICIDAL ideation; NUMERICAL taxonomy; SUICIDE risk factors; ADOLESCENT psychopathology; DEPRESSION in adolescence; MEDICAL research; SUICIDAL behavior; MENTAL depression; PSYCHOMETRICS; RESEARCH funding; TEENAGERS' conduct of life; PSYCHOLOGY
- Publication
Journal of Abnormal Child Psychology, 2015, Vol 43, Issue 8, p1459
- ISSN
0091-0627
- Publication type
journal article
- DOI
10.1007/s10802-015-0022-y