McCowen, Konstantin (2023) The Relationship Between ICD-11 and DSM-5-TR Prolonged Grief Symptoms and Quality of Life. Bachelor thesis, Psychology.
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Abstract
Background. With present pathological grief disorder (PGD) criteria, in the two most utilized diagnostic handbooks (ICD-11 and DSM-5-TR), differing from each other and past criteria in content, there is a possibility that validity evidence for past criteria sets may not generalize to current criteria sets. Aims. We aimed to test the concurrent and predictive test-criterion validity of the constructs of ICD-11 and DSM-5-TR PGD. The chosen criterion was Quality of Life (QoL). Methods. A sample of 276 bereaved adults (mean age 54 years, 92% female) filled in a survey at baseline, 6 (n = 142) and 12 (n = 135) months later. The Traumatic Grief Inventory-Self Report Plus was used to measure the independent variables ICD-11 and DSM-5-TR prolonged grief symptoms. The European Health Interview Survey - Quality of Life 8-item index was used to measure the dependent variable QoL. Results. Two simple linear regression analyses demonstrated that T1 ICD-11 and DSM-5-TR prolonged grief symptoms related negatively to T1 QoL, supporting concurrent test-criterion validity. Four hierarchical regression analyses demonstrated that T1 ICD-11 and DSM-5-TR symptoms significantly predict QoL at T2 and T3 whilst controlling for T1 QoL, supporting predictive test-criterion validity. Implications. Findings support the recent inclusion of the versions of PGD in diagnostic manuals. It also sheds more light onto the relationship between PGD and QoL in terms of providing evidence for the concurrent and predictive test-criterion validity of present diagnostic criteria on QoL.
| Item Type: | Thesis (Bachelor) |
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| Supervisor name: | Eisma, M.C. |
| Degree programme: | Psychology |
| Differentiation route: | None [Bachelor Psychology] |
| Date Deposited: | 18 Apr 2023 12:05 |
| Last Modified: | 18 Apr 2023 12:05 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/1899 |
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