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Table 1 Effect of Time on Test Scores (2 × 2 mixed ANOVA) - mean test scores for 2D and 3D groups immediately after learning activity (Test 1) and 2 weeks later (Test 2)

From: Use of tracheobronchial tree 3-dimensional printed model: does it improve trainees’ understanding of segmentation anatomy? A prospective study

   Test 1 Test 2
Group n M* SD M* SD
2D 16 7.69 1.25 6.63 1.45
3D 14 7.43 1.34 7.43 1.64
Total 30 7.57 1.28 7.00 1.64
Group – F(1,28) = .32, p = .58, ƞp2 = .01
Time – F(1,28) = 5.25, p = .03, ƞp2 = .16
Group x Time - – F(1,28) = 5.25, p = .03, ƞp2 = .16
  1. SD standard deviation
  2. *Score out of 10
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3D Printing in Medicine

ISSN: 2365-6271

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