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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 3.

First Trial Data as a Function of the Adult Displays (6-Week-Old Infants)

Infant Behavior MO Display
TP Display
M (SD) Median M (SD) Median
Tongue Protrusions 3.88 (5.16) 2.00 6.75 (5.88) 5.00*
Mouth Openings
 Frequency 4.06 (4.20) 3.00 2.19 (2.32) 2.00
 Duration 9.95 (9.47) 9.20 3.81 (4.70) 2.60*
 Longest Act 4.13 (4.34) 3.20 1.73 (1.44) 1.70*
*

p < .05, Mann-Whitney U tests; n = 16 versus n = 16.