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Table 3 Wilcoxon, Z, and p values

From: Speech-generating devices: effectiveness of interface design—a comparative study of autism spectrum disorders

Output condition	Phase 1:		Phase 2:
Output condition	Operation-identification		Question-response
Wilcoxon	B1-HRM		C2-PAEM
	C1-PAEM		B2-HRM
	Z	p	Z	p
Xuan versus Yi	−1.265	0.206	−1.387	0.165
Yi versus Feng	−1.414	1.57	−2.328	0.20
Xuan versus Feng	−0.000	1.000	−2.145	0.032

Italic value indicates significant p value (p < 0.05)

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