Effectiveness of social skills education and sandplay therapy for children with attention deficit hyperactivity disorder and comorbid anxiety

Table 3 Swanson Nolan and Pelham-IV scores before and after intervention in the two groups, mean ± SD

Group	Lack of concentration		Hyperactivity and impulsivity		Opposition and defiance
	Before intervention	After intervention	Before intervention	After intervention	Before intervention	After intervention
Observation group	2.43 ± 0.42	1.48 ± 0.36	2.24 ± 0.45	1.27 ± 0.38	2.35 ± 0.51	1.36 ± 0.31
Control group	2.42 ± 0.45	1.82 ± 0.45	2.17 ± 0.57	1.49 ± 0.41	2.38 ± 0.45	1.84 ± 0.43
Statistical value	-0.096	9.150	-0.484	4.611	0.261	20.805
P value	0.924	0.004	0.630	0.037	0.795	< 0.001