TABLE 2.

Means (SD, and 95% CI) for the physiological measures (startle, SCR, and HR) and ratings (valence, arousal, and threat) as a function of Block (first, second), Instruction (threat, safety), and experimental Group (Angry-Neutral, Happy-Neutral).

Block	Instruction	Group	Startle			SCR			HR			Valence			Arousal			Threat
			M	SD	95% Cl	M	SD	95% Cl	M	SD	95% Cl	M	SD	95% Cl	M	SD	95% Cl	M	SD	95% Cl
Block 1	Threat	Angry-Neutral	57.55	1.02	[55.42, 59.67]	0.19	0.03	[0.12, 0.26]	−1.3	0.31	[−1.94, −0.65]	3.4	0.26	[2.87, 3.94]	5.35	0.41	[4.5, 6.2]	4.75	0.62	[3.45, 6.05]
		Happy-Neutral	58.48	1.32	[55.69, 61.27]	0.25	0.05	[0.15, 0.351	−2.3	0.78	[−3.94, −0.66]	5.0	0.49	[3.97. 6.03]	5.5	0.44	[4.58, 6.42]	2.45	0.57	[1.25, 3.65]
	Safe	Angry-Neutral	50.56	0.72	[49.06, 52.06]	0.11	0.02	[0.06, 0.16]	−0.65	0.32	[−1.32, 0.02]	5.4	0.25	[4.89, 5.91]	3.4	0.32	[2.73, 4.07]	2.15	0.47	[1.16, 3.14]
		Happy-Neutral	52.03	0.89	[50.16, 53.9]	0.13	0.03	[0.08, 0.19]	−0.70	0.33	[−1.4, 0.00]	5.25	0.31	[4.61,5.89]	3.2	0.33	[2.51,3.89]	2.8	0.40	[1.97, 3.63]
Block 2	Threat	Angry-Neutral	49.38	1.15	[46.98, 51.78]	0.12	0.03	[0.06, 0.17]	−0.90	0.36	[−1.65, −0.16]	4.3	0.26	[3.75, 4.85]	4.85	0.38	[4.06, 5.64]	3.7	0.56	[2.53, 4.871
		Happy-Neutral	47.84	1.05	[45.62, 50.06]	0.14	0.05	[0.05, 0.24]	−1.31	0.50	[−2.36, −0.26]	4.35	0.39	[3.54,5.16]	4.25	0.48	[3.24, 5.26]	4.05	0.57	[2.85, 5.25]
	Safe	Angry-Neutral	45.22	0.62	[43.93, 46.51]	0.08	0.02	[0.04, 0.12]	−0.82	0.52	[−1.92, 0.28]	3.75	0.27	[3.18, 4.32]	3.75	0.42	[2.87, 4.63]	3.65	0.56	[2.53, 4.871
		Happy-Neutral	45.24	0.72	[43.72, 46.76]	0.07	0.02	[0.02, 0.12]	−0.06	0.39	[−0.88, 0.75]	6.15	0.43	[5.25, 7.05]	3.25	0.44	[2.33, 4.17]	1.3	0.42	[0.41, 2.19]