Table 2. Intragroup performance for the CG and IG of the study.

Variables		Groups
		Intervention		Control
		n	Mean	n	Mean
Note 2 - Note 1*	Negative evolution†	0		2	3.50
	Positive evolution‡	15	8.49	7	6.04
	Tie§	0		6
Statistics	Z¶	-2.919		-2.345
	p-value	0.001		0.09

*Note 2: Post-test; Note 1: Pre-test; †Note 2 < Note 1; ‡Note 2 > Note 1; §Note 2 = Note 1; ||Wilcoxon test; Result based on the averages of the posts with negative evolution.