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treatment
completion; 5%
refusals.
Unknown
handling of
missing values.
Cointerventions
and compliance
are unknown.
Findings were
inadequately
reported.
Appropriate
intervention and
control. Adequate
reporting.
Distraction can
itself be hypnotic,
but efforts were
made to prevent
this. This study is
highly relevant as
an example of
sophisticated,
individually
tailored imagery
and hypnotic
approach. The
use of a ‘hidden
observer’
monitors
progress.