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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
  1. Italic values indicate significant p values (p < 0.05)