- The psychometric construction of QoL and psycho-social instruments e.g. the EPSES.
- The meaning of the term QoL as used in epilepsy research.
- What do QoL instruments add to our understanding of epilepsy and epilepsy surgery?
- In what way are QoL instruments different from psycho-social instruments?
- Do QoL instruments completely replace psycho-social instruments?
Within the project, the presently available and emerging Quality of Life instruments have been reviewed from an historical and psychometric perspective.
The historical basis for the current framework is examined. The analysis concludes that
- a new framework must incorporate both subjective and time-dependent aspects of Quality of Life;
- the largest number of current instruments are non-subjective but that this situation is changing;
- due to methodological naïvety in this field, we must be aware that the underlying definition of quality of life can be unduly influenced by its method of measurement.
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