Table 1.

Descriptive statistics for physiological and subjective reactivity by condition.

	Stress			Control
	Mean (SD)	Min	Max	Mean (SD)	Min	Max
Heart Rate
Baseline	79.56 (12.59)	47.49	107.94	79.49 (11.64)	59.17	102.72
Prep	88.89 (16.85)	48.49	126.61	77.83 (10.16)	61.56	92.99
Speech	92.81 (20.95)	61.29	138.97	78.93 (10.28)	58.85	93.77
Math	88.64 (18.02)	52.25	119.01	77.92 (10.78)	54.63	93.88
IGT	74.96 (12.10)	46.64	90.23	77.46 (9.40)	57.95	91.52
SCL
Baseline	4.30 (4.71)	.082	16.55	3.26 (3.91)	.13	17.1
Prep	5.83 (5.11)	.12	19.30	4.92 (4.58)	.28	20.73
Speech	6.02 (4.01)	.54	14.96	4.79 (4.68)	.27	20.41
Math	5.74 (3.63)	.83	14.06	5.48 (4.95)	.46	19.80
IGT	4.83 (3.77)	.12	13.59	6.05 (6.00)	.35	23.65
NS-SCR
Baseline	23.69 (19.50)	0	64.50	18.26 (16.20)	0	51.50
Prep	23.35 (16.78)	0	52.33	20.42 (17.81)	0	62.67
Speech	38.08 (15.10)	.65	62.87	30.83 (18.06)	.43	61.25
Math	43.71 (13.59)	0	62.57	28.06 (18.85)	0	59.16
IGT	33.98 (16.41)	0	59.50	29.33 (17.35)	.46	56.78
Negative Affect
Baseline	12.88 (3.23)	10.00	21.00	14.11 (5.07)	10.00	29.00
Post-Stress	20.80 (8.49)	10.00	42.00	14.07 (4.33)	10.00	24.00
Post-IGT	13.14 (3.08)	10.00	22.00	12.61 (3.07)	10.00	22.00
Self-reported Stress
Post-Speech	6.70 (2.13)	2.00	10.00	3.35 (2.51)	1.00	9.00
Post-Math	6.54 (2.15)	2.00	10.00	3.93 (2.75)	1.00	9.00

Note:

SCL = Skin conductance levels, NS-SCR = Non-specific skin conductance responses, IGT=Iowa Gambled Task.