Development of a Scale to Assess Knowledge about Suicide Postvention using Item Response Theory

Knowledge about suicide postvention (KSPV) is an important distal outcome in the evaluation of suicide prevention programs that focus on the bereaved. However, most scales are specifically tailored to the evaluation study in question and psychometric properties are often unsatisfactory. Therefore, w...

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Bibliographic Details
Published in:Suicide & life-threatening behavior 2013-04, Vol.43 (2), p.174-184
Main Authors: Nader, Ingo W., Niederkrotenthaler, Thomas, Schild, Anne H. E., Koller, Ingrid, Tran, Ulrich S., Kapusta, Nestor D., Sonneck, Gernot, Voracek, Martin
Format: Article
Language:English
Subjects:
Adult
Adult and adolescent clinical studies
Austria
Biological and medical sciences
Female
Foreign Countries
Grief
Health Knowledge, Attitudes, Practice
Humans
Intervention
Item Response Theory
Male
Measures (Individuals)
Medical sciences
Prevention programs
Psychological Theory
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychopathology. Psychiatry
Quantitative psychology
Rasch Scaled Scores
Suicide
Suicide - prevention & control
Suicides & suicide attempts
Surveys and Questionnaires
Test Bias
Test Construction
Test Validity
Young Adult
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Summary:Knowledge about suicide postvention (KSPV) is an important distal outcome in the evaluation of suicide prevention programs that focus on the bereaved. However, most scales are specifically tailored to the evaluation study in question and psychometric properties are often unsatisfactory. Therefore, we developed the KSPV scale. Scale properties were investigated with Rasch trees, a newly developed method in the framework of item response theory. Additionally, we provide cues for convergent validity. In summary, the scale shows satisfactory properties for assessing KSPV and could be used to evaluate suicide postvention programs more effectively.
ISSN:0363-0234
1943-278X
DOI:10.1111/sltb.12006