Table 4.

Comparison of grade A and grade B scores in the experimental group

Variable	Grade A	Grade B	t	P-value
Total points	7.33 ± 1.40	8.20 ± 1.03	-4.419	0.000 **
Dmension 1	3.30 ± 0.75	3.27 ± 0.52	0.273	0.787
Dimension 2	2.37 ± 0.76	3.43 ± 0.57	-9.133	0.000 **
Dimension 3	1.60 ± 0.50	1.50 ± 0.51	0.902	0.375

^* p < 0.05, ** p < 0.01