Table 2.

Study 2 model statistics.

information pooling	synchrony %	control %	groups	χ2	p
	44.7	78.6	80	9.74	0.002

initial argument	synchrony %	control %	groups	χ2	p
	78.9	100	80	9.82	0.002

argument repetition	synchrony M (s.d.)	control M (s.d.)	groups	b (s.e.)	p
	2.21 (1.80)	3.36 (1.82)	80	−1.15 (0.41)	0.006