The Bosnian version of the international self-report measure of posttraumatic stress disorder, the Posttraumatic Stress Diagnostic Scale, is reliable and valid in a variety of different adult samples affected by war

Table 1 Internal consistency and test-retest reliability of the PTDS and its DSM-III-R precursor the PSS-SR

Authors	Samples	Scales	Cronbach's alpha	Test-retest reliability
Foa, Riggs, Dancu, & Rothbaum (1993) [8]	44 women (rape and other non-sexual attack)	Total score	.91	.74 after one month (N = 29)
	5 – 6 weeks after the event	Reexperiencing	.78	.66
		Avoidance	.80	.56
		Hyperarousal	.82	.71
Engelhard et al (2001) [7]	113 women after miscarriage	Total score	.87
Stieglitz, Frommberger, Foa, & Berger (2001) [9]	152 persons:	Total score	.85 and .86	.60 after six months
	1. time point: a few days after accident	Reexperiencing	.75 and .82	.39
		Avoidance	.56 and .74	.53
	2 time point: 6 months later	Hyperarousal	.75 and .64	.47
Foa, Cashman, Jaycox, & Perry (1997) [3]	284 victims of various traumatic experiences	Total score	.92	.83 (approx 2 weeks later)
		Reexperiencing	.78	.77
		Avoidance	.84	.81
		Hyperarousal	.84	.85
				Kappa = .74 for PTSD diagnosis

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