Table 4.

comparison of total errors, perseverative responses, perseverative errors and non-perseverative errors of subtypes of ADHD on WCST using ANOVA

Source of variance		Sum of squares	Mean squares	df	f	p-value
Total errors	Between groups	57.127	28.563	2	2.541	n.s.***
	Within groups	81.100	1.930	42
	Total	138.227		44
Perseverative responses	Between groups	2954.086	1477.043	2	4.981	0.002*
	Within groups	18253.500	434.607	42
	Total	21507.586		44
Perseverative errors	Between groups	10705.79	5352.895	2	18.372	0.001**
	Within groups	14436.4	343.723	42
	Total	25142.19		44
Non-perseverative errors	Between groups	65.772	32.886	2	3.186	n.s.***
	Within groups	78.941	1.879	42
	Total	144.713		44

^*p≤ 0.01

^**p≤ 0.001

^***non-significant