Pre-trauma beliefs about the safety of the world and one's own invulne
rability are thought to influence post-trauma reactions. The current s
tudy examined whether two trauma characteristics that are hypothesized
to relate to perceptions of safety, assault location and assailant id
entity, predict the rate and severity of post-traumatic stress disorde
r (PTSD) in female rape victims. It also attempted to reduce the confo
und of assault brutality Results indicated that women assaulted in loc
ations rated as safe had significantly more severe overall PTSD sympto
ms than women assaulted in dangerous locations. However; contrary to o
ur prediction, women assaulted by dangerous assailants reported signif
icantly more severe PTSD symptoms than women assaulted by assailants r
ated as safe. Assault brutality and violation of safety expectations m
ay represent two distinct aspects of the assault, both influencing the
severity of post-trauma reactions.