title: The Herald of Free Enterprise disaster: measuring post-traumatic symptoms 30 months on.
abstract: The aim of the present study was to explore the psychometric properties of the Impact of Events Scale. Evidence is presented that the scale is composed of two major factors tapping intrusion and avoidance which are associated with greater psychological distress.
authors.affiliation: Department of Psychology, University of Ulster at Coleraine, Northern Ireland.
authors.forename: S
authors.initials: S
authors.lastname: Joseph
authors.forename: W
authors.initials: W
authors.lastname: Yule
authors.forename: R
authors.initials: R
authors.lastname: Williams
authors.forename: P
authors.initials: P
authors.lastname: Hodgkinson
mesh_terms: D000293:Adolescent; D000328:Adult; D001362:Avoidance Learning; D004190:Disasters; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000209:etiology; D008875:Middle Aged; D013313:Stress Disorders, Post-Traumatic / Q000175:diagnosis* / Q000523:psychology; D013315:Stress, Psychological / Q000209:etiology; D011795:Surveys and Questionnaires