Table 9.

Mean (SD) speech onset latencies (seconds).

	Unimpaired adults Correct trials		Treatment group All trials Pre-tx		Treatment group All trials Post-tx		Treatment group Correct trials Pre-tx		Treatment group Correct trials Post-tx		Natural history group All trials Study entry		Natural history group All trials Study end
	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD
Active	2.08	0.52	4.25	2.21	5.06	1.58	4.79	1.85	4.18	1.28	5.48	2.60	5.73	3.21
Passive	1.92	0.54	4.42	2.54	5.16	1.57	4.83	1.50	5.44	2.31	5.52	2.14	5.29	2.46

Pre-Tx, pre-treatment; Post-Tx, post-treatment. The “Active” and “Passive” labels refer to the structure of the prime.