Twenty-three survivors of the Jupiter cruise ship disaster completed t
he Impact of Events Scale, a measure of intrusion and avoidance, as we
ll as measures of arousal and affect at two points in time: between 3
and 7 months (Time 1) and between 12 and 14 months (Time 2) following
the event. The aim of the present study was to explore the relationshi
p between intrusion and avoidance and symptoms of depression and anxie
ty. The results suggest that although higher scores on intrusion and a
voidance are strongly associated with poorer psychological outcome at
each point in time, it is only intrusion which may be predictive of la
ter symptoms. Avoidance would seem to be a response to early distress.
These data are discussed with reference to a cognitive-emotional proc
essing model of post-traumatic stress disorder.