. Author manuscript; available in PMC: 2009 Aug 17.

Published in final edited form as: Lang Cogn Process. 2008 Jul 1;24(3):450–478. doi: 10.1080/01690960802229649

Table 2.

Group Means (Standard Deviations) for Each Analysis by Grammaticality and Morpheme Type.

Group	Nontense Omission				Tense Omission				Tense Intrusion

	Grammatical		Ungrammatical		Grammatical		Ungrammatical		Grammatical		Ungrammatical

	-ing	poss. ‘s	-ing	poss. ‘s	3Sing	-ed	3Sing	-ed	3Sing	-ed	3Sing	-ed
TD	432 (271)	420 (235)	467 (213)	516 (230)	425 (214)	378 (214)	459 (211)	400 (182)	447 (225)	393 (237)	448 (224)	431 (233)
SLI	464 (317)	498 (352)	494 (310)	554 (370)	447 (293)	437 (321)	467 (240)	389 (253)	453 (290)	416 (320)	494 (358)	471 (361)
NLI	610 (544)	583 (432)	644 (484)	630 (432)	558 (444)	488 (371)	598 (487)	521 (376)	590 (447)	556 (481)	616 (557)	591 (535)