Table 5. Means and standard deviations of heart rate and skin conductance across the two phases of the four conditions.

	Phase 1—Peers answering				Phase 2—Participants answering
	PP	NP	PN	NN	PP	NP	PN	NN
Heart rate	71.83	71.35	72.03	71.76	72.68	73.18	72.78	73.76
	(10.59)	(9.99)	(9.31)	(11.93)	(10.34)	(10.41)	(10.08)	(12.05)
Skin conductance	-0.29	0.12	0.11	-0.12	-0.16	0.18	0.17	-0.017
	(1.07)	(0.82)	(0.88)	(0.81)	(0.98)	(1.05)	(0.82)	(1.04)