3 Recognise that subjective well-being is not a criterion measure of QOL, but it may
still be the single best indicator available.
It may be wise to include self-report wherever possible as a general catch-all in the
event that there is a key dimension that is of specific but unexpected relevance to a
given condition or program that is overlooked (also see Chapter E for Bergner's
notion of descriptive validity, as well as Kaplan's criticisms of factor analysis in test
formation).