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. Author manuscript; available in PMC: 2014 Aug 19.

Published in final edited form as: Infant Behav Dev. 1992 Oct 1;15(4):479–505. doi: 10.1016/0163-6383(92)80015-M

TABLE 4.

First Trial Means (Standard Deviations) Showing Effects of Person × Gesture (6-Week-Old Infants)

Infant Behavior	Mother		Stranger
Infant Behavior	MO	TP	MO	TP
Tongue Protrusions	3.75 (3.99)	6.50 (5.63)	4.00 (6.41)	7.00 (6.50)
Mouth Openings
Frequency	4.25 (5.26)	2.50 (2.93)	3.88 (3.18)	1.88 (1.64)
Duration	10.19 (11.05)	4.82 (6.28)	9.71 (8.35)	2.79 (2.36)
Longest Act	3.80 (2.58)	2.00 (1.82)	4.46 (5.79)	1.46 (0.98)