Table 4.

Statistical results of qualitative analysis for the parameter Maintains the objective in the tasks.

	Initial assessment		Final assessment		Wilcoxon test
Task	Mean	SD	Mean	SD	Z	p	R
Pictograms
Sickness	0.46	0.51	0.73	0.45	−2.646	P < 0.01	−0.37
Happy party	0.42	0.50	0.61	0.49	−2.236	P < 0.05	−0.31
Development	0.46	0.51	0.73	0.45	−2.646	P < 0.01	−0.37
Patience	0.46	0.51	0.73	0.45	−2.646	P < 0.01	−0.37
Prepare a letter	0.50	0.51	0.62	0.49	−1.732	P < 0.05	−0.24
Draw the route (path)	0.27	0.45	0.69	0.47	−3.051	P < 0.001	−0.42
Drawing places in the city	0.38	0.50	0.65	0.48	−2.333	P < 0.01	−0.32