Conceptualization, operationalization, and content validity of the EQOL-questionnaire measuring quality of life and participation for persons with disabilities
Abstract Background Measurement of quality of life demands thoroughly developed and validated instruments. The development steps from theory to concepts and from empirical data to items are sparsely described in the literature of questionnaire development. Furthermore, there seems to be a need for a...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2018-10-01
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| Series: | Health and Quality of Life Outcomes |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s12955-018-1024-6 |