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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: J Cogn Dev. 2013 Nov 12;16(2):199–220. doi: 10.1080/15248372.2013.858041

Table 1.

Pretest Child Speech and Gesture Measures by Condition

Condition Age Standardized Measures of Child
Speech		 Child Communication
during Caregiver-Child
Interactions
Pretest
Child Spoken
Vocabulary		 Pretest
Child
Comprehension
Vocabulary		 Pretest
Child
Speech		 Pretest
Child
Gesture
No Gesture (NG)
(n=5, 3 M)
 516.80
(SD = 31.25;
491 – 567)		 20.00
(14.30)		 123.20
(48.52)		 7.40
(6.77)		 15.60
(10.16)
Experimenter
Gesture (EG)
(n=5, 3 M)		 505
(SD = 9.75;
490 – 514)		 19.80
(14.96)		 117.00
(107.46)		 11.40
(4.72)		 9.80
(2.59)
Child and
Experimenter
Gesture (C&EG)
(n=5, 2 M)		 508
(SD = 11.28;
491 518)		 25.60
(12.08)		 188.00
(76.86)		 9.40
(6.27)		 10.00
(6.96)

Note. The table contains means for all pretest measures; standard deviations and ranges are provided in parentheses. The standardized measures of child speech were obtained from the MacArthur-Bates Communicative Development Inventories. Age was balanced across conditions.