Table 4. Descriptive Statistics for Properties of Children's Exposure to English and Spanish (N=29).

Measures	Language exposure
	English			Spanish			t
	M (SD)	Range	Mode	M (SD)	Range	Mode
Percent of timea	34.06% (23.25)	0 – 82		29.06% (24.77)	0 – 77		.62
Number of single language conversational contextsb	1.21 (1.86)	0 – 8	0	1.17 (1.77)	0 – 6	0	.06
Number of single language conversational partnersb	.90 (1.45)	0 – 6	0	.45 (.83)	0 – 3	0	1.45
Number of different speakers as sources of exposureb	4.38 (2.37)	0 – 10	4	3.38 (2.19)	0 – 10	3	1.61
Percent of language exposure from native speakersc	44.03% (38.40)	0 – 100		83.16% (27.28)	0 – 100		-3.59**d

^aCounted in 30-minute blocks in which only one language was addressed to the child. In 37% of blocks, English and Spanish were both used.

^bAcross the seven days of diary recording.

^cThe percentages were calculated based on data from the 24 children who had both English-only and Spanish-only exposure.

^d**p = .002 (two-tailed), d = .73.