Table 8.

Proportion correct on pre- and post-treatment picture naming tests (4 participants, BNT¹ and 1 participant PNT²)

			Proportion Correct
Participant ID3	Naming test administered	Number of test items	Pre-treatment	Post-treatment	Change in accuracy (+/ −)	z test comparing proportion correct pre- and post-treatment
HE	BNT	60	0.68	0.68	0.00	NS4
KC	BNT	60	0.57	0.63	0.07	NS
KM	BNT	60	0.65	0.60	−0.05	NS
UP	BNT	60	0.68	0.72	0.03	NS
XH	PNT	175	0.55	0.66	0.11	z = 2.18, p = .03

¹Boston Naming Test (Kaplan, Goodglass &Weintraub, 1983).

²Philadelphia Naming Test (Roach, Schwartz, Martin, Grewal & Brecher, 1996).

³Three participants excluded from this analysis because dates of testing were too distant from initiation of treatment.

⁴NS = Not significant