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Psychometric properties of the Posttraumatic Cognition Inventory (PTCI) within a Northern Ireland adolescent sample

Hyland, Philip, Murphy, Jamie, Shevlin, Mark, Murphy, Siobhan, Egan, Arlene and Boduszek, Daniel (2015) Psychometric properties of the Posttraumatic Cognition Inventory (PTCI) within a Northern Ireland adolescent sample. British Journal of Clinical Psychology, 54 (4). pp. 435-449. ISSN 2044-8260

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Abstract

Objectives: The current study sought to investigate the psychometric properties of the Posttraumatic Cognitions Inventory (PTCI; Foa, Ehlers, Clark, Tolin, & Orsillo, 1999) among a cohort of older adolescents, and to determine the relationship between posttraumatic cognitions and a variety of psychological outcomes including depression, anxiety, stress, and loneliness.

Methods: The PTCI was investigated among a large sample (N = 785) of Northern Irish adolescents. Confirmatory factor analysis and composite reliability analysis were conducted to assess the psychometric properties of the scale.

Results: The familiar three factor solution of negative cognitions of self, negative cognitions of the world and others, and self-blame was supported, however it was necessary to remove 8 items from the original 33 item scale. The three factor structure was subsequently demonstrated to be factorially invariant across gender, and to possess satisfactory internal reliability. The three PTCI factors were found to correlate with depression, anxiety, stress, and three dimensions of loneliness.

Conclusion: These results provide the first piece of evidence that older adolescents cognitively respond to trauma in a similar manner to adults; that the PTCI is factorially invariant between genders; and that trauma-cognitions are correlated with feelings of loneliness. The contextual dependent nature of the structure of the PTCI factors is discussed in relation to future research efforts.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
H Social Sciences > H Social Sciences (General)
Schools: School of Human and Health Sciences
School of Human and Health Sciences > Applied Criminology Centre
Related URLs:
Depositing User: Daniel Boduszek
Date Deposited: 19 May 2015 15:26
Last Modified: 29 Nov 2015 17:20
URI: http://eprints.hud.ac.uk/id/eprint/24495

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