Table 1. Responses of Zygomaticus Major as a Function of Mimicry (free, blocked) and Smile Type (true, false) in Experiment 1.

Mimicry	Free		Blocked
Smile Type	True	False	True	False
M	1.336	1.085	1.081	1.062
SD	1.476	.267	.159	.143
S-W (df = 33)	.261	.681	.783	.927
Skewness	5.604	2.560	2.559	.807
Kurtosis	31.876	6.989	10.220	.409
p	.000	.000	.000	.029

Note. EMG scores are expressed as percentages of baseline (500 ms before the stimulus onset).