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Table 3 Pairwise Wilcoxon signed‐rank tests for different question types for accuracy score analysis

From: Designing challenge questions for location‐based authentication systems: a real‐life study

  Legitimate Strong Naive
  Z p Z p Z p
Type‐1 vs Type‐2 ‐2.758 <0.006 ‐8.103 <0.001 ‐5.160 <0.001
Type‐1 vs Type‐3 ‐5.597 <0.001 ‐7.298 <0.001 ‐4.578 <0.001
Type‐2 vs Type‐3 ‐2.189 <0.029 ‐1.327 0.184 ‐0.745 0.456