Table 3.

Comparison of the level of performance of the two parts of the APT test before and after relaxation training.

Variables	rDD (N = 20)		Wilcoxon Signed-Rank Test
	M	SD	Z	p
PS 6/9 Before relaxation training	596.01	61.12	2.87	0.004 *
PS 3/8 After relaxation training	646.95	94.62
NO 6/9 Before relaxation training	5.35	3.47	0.118	0.915
NO 3/8 After relaxation training	4.51	3.22
Variables	CG (N = 22)		Wilcoxon Signed-Rank Test
	M	SD	Z	p
PS 6/9 Before relaxation training	864.1	87.31	0.672	0.501
PS 3/9 After relaxation training	883.3	91.59
NO 6/9 Before relaxation training	6.91	5.29	0.181	0.856
NO 3/8 After relaxation training	6.27	4.67

PS 6/9—Perceptual Speed for APT 6/9 version; NO 6/9—Number of omission for APT 6/9 version; PS 3/8—Perceptual Speed for APT version; NO 3/8—Number of omission for APT 3/8 version; rDD—Subjects with recurrent depressive disorder; CG—Comparison group; *—p statistically significant.