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Table 2 Kruskal–Wallis, Mann–Whitney, χ², and p values

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

Output condition	Phase 1:				Phase 2:
	Operation-identification				Question-response
	Kruskal–Wallis		Mann–Whitney		Kruskal–Wallis		Mann–Whitney
	A1 B1 C1		B1 C1		A2 C2 B2		C2 B2
	χ²	p	Z	p	χ²	p	Z	p
Xuan	7.454	0.024	−1.003	0.421	8.643	0.013	−1.826	0.095
Yi	12.828	0.002	−2.546	0.008	8.242	0.016	−1.571	0.151
Feng	13.822	0.001	−1.735	0.095	9.738	0.008	−2.293	0.032

Italic values indicate significant p values (p < 0.05)

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