Another consideration concerns the usefulness of both
generic and disorder-specific measures of QoL and the
relationships between these two very different types of
measure. Generic measures are designed to be more comprehensive in their coverage, but may as a consequence be
less sensitive to treatment-related change. Disorder-specific
measures, or modules, focus in on areas of particular
concern in relation to a specific disorder and may therefore
be more sensitive to treatment effects but do readily not
allow comparison with other disorders.