Literaturnachweis - Detailanzeige
| Autor/inn/en | Elliott, Robert; Fox, Christine M.; Beltyukova, Svetlana A.; Stone, Gregory E.; Gunderson, Jennifer; Zhang, Xi |
|---|---|
| Titel | Deconstructing Therapy Outcome Measurement with Rasch Analysis of a Measure of General Clinical Distress: The Symptom Checklist-90-Revised |
| Quelle | In: Psychological Assessment, 18 (2006) 4, S.359-372 (14 Seiten)
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| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1040-3590 |
| Schlagwörter | Therapy; Rating Scales; Item Response Theory; Test Items; Symptoms (Individual Disorders); Check Lists; Reliability; Stress Variables; Mental Health |
| Abstract | Rasch analysis was used to illustrate the usefulness of item-level analyses for evaluating a common therapy outcome measure of general clinical distress, the Symptom Checklist-90-Revised (SCL-90-R; Derogatis, 1994). Using complementary therapy research samples, the instrument's 5-point rating scale was found to exceed clients' ability to make reliable discriminations and could be improved by collapsing it into a 3-point version (combining scale points 1 with 2 and 3 with 4). This revision, in addition to removing 3 misfitting items, increased person separation from 4.90 to 5.07 and item separation from 7.76 to 8.52 (resulting in alphas of 0.96 and 0.99, respectively). Some SCL-90-R subscales had low internal consistency reliabilities; SCL-90-R items can be used to define one factor of general clinical distress that is generally stable across both samples, with two small residual factors. (Author). |
| Anmerkungen | American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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