Table 3.

Effect of Image Type and PTSD Symptom Clusters on LPP Amplitude

Main Category Analysis
IV	Sum of Squares	df	F	P
Image Type	36.93	3/70	12.82	<0.01*
PTSD Intrusions	0.03	1/47	0.03	0.86
PTSD Avoidance	0.09	1/47	0.10	0.76
PTSD NACM	1.56	1/47	1.62	0.21
PTSD Arousal/Reactivity	0.27	1/47	0.29	0.59
Image Type * Intrusions	4.26	3/70	1.48	0.23
Image Type * Avoidance	2.37	3/70	0.82	0.49
Image Type * NACM	23.52	3/70	8.17	<0.01*
Image Type * Arousal/Reactivity	16.14	3/70	5.60	<0.01*

Note.

^*indicates p < 0.01. NACM = negative alterations in cognition and mood.