The current study investigated the relationships between levels and modes of preparedness for relocation, ideology, and subsequent posttraumatic stress disorder (PTSD). A sample of 269 relocated residents from Gush Katif completed questionnaires examining their previous life stressors, preparation prior to their relocation, level of ideology, and current level of PTSD. Contrary to expectations, the findings showed a negative correlation between instrumental preparedness and PTSD, which suppressed the positive association between ideology and PTSD. These findings suggest that some modes of preparedness may lead to better psychological readjustment, while others may be irrelevant or even harmful when they contradict one's ideology. Further research on the unique and combined role of preparedness and ideology in coping with stressful events is needed.Although population displacements (namely, the transfer of groups and communities from their permanent geographical location to another) are not rare phenomena, there is still a paucity of research on the psychological impact of these displacements on the displaced communities and individuals. Population displacements can be forced or voluntary, temporary or permanent, and can be implemented due to political considerations or natural disasters