Table 1.

Independent sample t-test for average ratings of 21 WSAP threat items between PTSS groups.

Item	Sentence Stem	Threat Stimuli	t	p
1	A past memory suddenly comes to mind*	Scared	4.26	<.001
2	There is a sudden movement next to you	Injure	1.91	.06
3	Someone is asking you a question	Irritated	1.72	.09
4	A stranger behind you in line is close to you*	Agitated	2.14	.02
5	A friend wants to meet up	Indifferent	1.18	.24
6	A conversation triggers a memory*	Traumatic	4.93	<.001
7	You haven’t spent much time with family	Detached	1.50	.13
8	You are invited to a party*	Avoid	4.89	< .001
9	You have memories about a place*	Horror	4.08	<.001
10	You are reminded of a past event*	Distraught	5.00	<.001
11	Your relative tells you they are getting married	Numb	1.65	.10
12	You picture a scenario in your mind*	Upset	4.95	<.001
13	You hear a noise	Danger	1.18	.24
14	You become frustrated*	Outburst	5.93	< .001
15	Your friends all want to get together	Distant	1.70	.09
16	You think of someone you haven’t seen in a while*	Terror	3.76	<.001
17	You have to read directions second time*	Racing Thoughts	2.38	.02
18	You think of a face you are familiar with*	Attacker	2.36	.02
19	You are invited to the movies, but don’t want to go*	Withdrawn	6.16	< .001
20	You see a picture of you and your family	Disinterest	1.69	.10
21	You are in a public place*	Over-alert	4.30	<.001

Note.

^*Denotes items retained for Study 2; PTSS groups determined by participants scoring +/− 1SD of the full sample mean on 6-item version of the PTSD Check List- Civilian Version.