Measuring posttraumatic growth and depreciation after spinal cord injury: A Rasch analysis. | Zendy

Simon Kunz | Zendy; Carolina Fellinghauer | Zendy; Claudio Peter | Zendy

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Measuring posttraumatic growth and depreciation after spinal cord injury: A Rasch analysis.

Author(s) -

Simon Kunz,

Carolina Fellinghauer,

Claudio Peter

Publication year - 2019

Publication title -

rehabilitation psychology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.673

H-Index - 66

eISSN - 1939-1544

pISSN - 0090-5550

DOI - 10.1037/rep0000288

Subject(s) - rasch model , psychology , spinal cord injury , posttraumatic growth , psychometrics , clinical psychology , developmental psychology , spinal cord , psychiatry

Individuals with spinal cord injury (SCI) may experience both positive (posttraumatic growth, PTG) and negative (posttraumatic depreciation, PTD) psychological changes following the injury. PTG and PTD were assessed using the 10-item short form of the Posttraumatic Growth Inventory (PTGI-SF) and 10 matched negatively worded items for PTD (selected from the PTGI-42) within the Swiss Spinal Cord Injury Cohort Study (SwiSCI). This item selection is henceforth called PTG/D-SF. The objective of this study was to test the metric properties of the PTG/D-SF to determine the best strategy to derive reliable sum scores and to test the validity of several different structural conceptualizations.

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