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Table 5 Coefficients for the Mixed‐Effect Logistic Regression model for user Study‐2. The coefficients show whether they had a statistically significant effect on response accuracy

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

Feature Coefficients
  Legitimate Strong adversary Naive adversary
Intercept 0.82 1.03 0.21
Time to answer (seconds) ‐0.00142 0.00326 0.00545
Days Ago ‐0.229* ‐0.231 ‐0.102
Zoom Level 0.995* 0.750* ‐0.567
Number of Zoom In ‐0.231* ‐0.368* ‐0.0922
Number of Zoom Out 0.643 0.0788 0.205
Number of Search ‐0.140 0.389 ‐0.251
Number of Drag ‐0.0285 ‐0.0662 ‐0.0360
Number of Changes 0.370 ‐0.288 0.112
Question Weight ‐3.997 ‐7.123* ‐0.000781
  1. Significant features are designated by a * next to their coefficients.