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Evaluation of the Good Way model : a treatment approach for young people with harmful sexual behaviour : a thesis presented in partial fulfilment of the requirements for the degree of Doctorate in Clinical Psychology, Massey University, Auckland, New Zealand
Adolescents
with
harmful
sexual
behaviour
(HSB)
have
been
identified
as
perpetrating
a
significant
amount
of
child
sexual
abuse,
and
while
treatment
programmes
have
become
more
available,
evaluation
studies
of
these
have
lagged
far
behind.
The
primary
aim
of
the
research
reported
in
this
thesis
was
to
evaluate
the
effectiveness
of
the
Good
Way
model
(GWM)
intervention
developed
by
Ayland
and
West
(2006)
for
adolescent
boys
undergoing
treatment
for
HSB.
The
GWM
is
advanced
as
a
strengths--
based
cognitive
behavioural
approach
which
meets
recommended
key
programme
priorities
for
the
treatment
of
youth
with
HSB.
This
study
examined
the
effectiveness
of
the
GWM
within
two
community--based
treatment
programmes
in
New
Zealand:
WellStop,
which
is
based
in
Wellington;
and
STOP,
which
is
based
in
Christchurch.
The
participants
were
12
male
youths
aged
between
11
and
17
years
and
their
families.
Five
participants
were
intellectually
disabled.
The
study
was
carried
out
over
a
three--
year
period
and
by
the
end
of
the
study,
nine
participants
had
completed
treatment,
two
remained
in
treatment,
and
one
had
dropped
out
due
to
the
impact
of
unstable
placements.
The
average
treatment
length
was
7.5
months.
Treatment
effectiveness
was
examined
within
a
multiple--baseline
design
framework.
In
this
study
the
magnitude
of
experimental
change
was
largely
established
via
visual
analysis,
the
percentage
of
data
points
exceeding
the
median
(PEM),
and
Cohen’s
d.
The
results
imply
a
functional
relationship
between
GWM
treatment
and
the
reduction
of
HSB
and
an
increase
in
positively
occurring
behaviours
related
to
strengths
and
resiliency.
Positive
results
were
obtained
from
measures
focusing
on
outcome
and
therapeutic
alliance.
There
was
also
evidence
for
change
in
individual
participants
across
measures
of
internalising--type
problems.
Overall,
the
findings
indicate
that
the
introduction
of
the
GWM
intervention
targeted
the
problem
behaviour
appropriately
and
that
it
was
well
received
by
participants.
