Table 3.

Percent finite responses with mean (standard deviation) for regular and irregular past tense probe.

Group	The rate of past regular finite form	The rate of past irregular finite form (sum of correct and over-regularized forms)	The rate of past irregular correct form	The rate of past over-regularized form	Intra group differences between regular and irregular finite responses
ALI	70.85 (35.61)	72.54 (30.90)	47.54 (32.22)	25.00 (28.69)	n.s.
ALI-TD	95.80 (10.25)	91.19 (17.41)	61.97 (29.50)	29.21 (21.79)	n.s.
ALN	92.79 (20.40)	92.19 (19.35)	71.50 (32.82)	20.69 (24.54)	n.s.
ALN-TD	93.96 (17.13)	95.95 (15.78)	82.87 (26.16)	13.08 (18.90)	n.s.
Inter group differences	ALI < ALI-TD**, ALN***, ALN-TD**	ALI < ALI-TD*, ALN**, ALN-TD*	ALI < ALN**, ALN-TD**	n.s.

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.