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Table 5 Mean differences in intentions to prepare and perceived preparedness varying by belief in existence of local warning systems

From: Community preparedness for volcanic hazards at Mount Rainier, USA

   Intentions  
   M SD Means comparison
Warning system Yes 2.47 1.16 F(2, 582) = 9.75, p < .001, ηp2 = .03
  No 2.58 1.12  
  Don’t know 2.97 1.08  
   Preparedness  
   M SD Means comparison
Warning system Yes 3.04 1.22 F(2, 584) = 7.48, p < .001, ηp2 = .03
  No 2.48 1.14  
  Don’t know 2.66 1.18