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Table 4 Independent Samples T-Tests: Number of Pupil Fixations by Seven Selected Slides

From: Using eye tracking and gaze pattern analysis to test a “dirty bomb” decision aid in a pilot RCT in urban adults with limited literacy

  Intervention Group 95 % CI for Mean Difference
Intervention Control    
Slide M SD n M SD n   t df
1. What is a dirty bomb? 24.00 20.69 24 23.67 22.29 21 −13.26,12.59 .05 43
2. A dirty bomb is not an atomic bomb. 15.33 15.02 24 38.14 30.05 21 8.80,36.82 3.28** 43
3. What to do if you’re outside 32.46 32.62 24 35.95 36.67 21 −17.33,24.32 .34 43
4. What to do if you’re inside. 28.13 28.13 24 47.14 38.22 21 .15,37.89 2.03* 43
5. What should I do about my children and family? 32.04 32.04 23 50.00 36.46 21 −1.48,37,40 1.86 42
6. What to do about food and water? 36.71 36.91 23 50.52 37.54 21 −6.58,33.79 1.36 42
7. How do I know about radiation exposure? 24.96 24.96 23 54.20 43.89 20 4.71,47.60 2.46* 42
  1. *p ≤ .05, **p ≤ .005