Table 3.

Mean Scores and Standard Deviations for Mean Number of Correct Responses and Mean Subsequent Response Latencies (in seconds)

Task	Number Correct Responses		Mean Subsequent-Response Latencies
	Monolingual	Bilingual	Monolingual	Bilingual
7-year-olds
Category	8.5 (2.9)	8.4 (3.0)	18.8 (7.5)	22.3 (5.3)
Letter	6.8 (1.9)	6.0 (2.2)	23.3 (3.9)	26.3 (4.9)
10-year-olds
Category	13.6 (4.9)	10.8 (4.3)	20.8 (5.1)	17.6 (6.3)
Letter	9.8 (3.6)	9.4 (3.2)	23.8 (4.3)	25.5 (3.7)
Younger Adults
Category	19.9 (4.6)	19.0 (5.7)	22.9 (4.2)	23.2 (6.0)
Letter	11.8 (3.5)	15.3 (4.0)	24.1 (3.6)	26.7 (2.9)
Older Adults
Category	17.0 (3.0)	17.9 (3.5)	20.6 (3.3)	21.8 (3.6)
Letter	12.9 (3.5)	14.7 (4.6)	23.2 (3.9)	24.3 (2.6)