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Table 3 Comparison of scores based on presence or absence of a feature

From: What makes a great radiology review course lecture: the Ottawa radiology resident review course experience

  Present Average score Absent Average score p value
Contains sophisticated special effects 10 94.3 34 87.1 3.83 × 10e-7
Contains at least one of either a pretest or posttest 6 92 40 87.8 0.004
Audience laughed during talk 11 91 35 87.5 0.07
Objectives or outline 30 87.1 27 88.5 0.22
Presentation was on time 30 88.9 16 87.5 0.298
Summary occurred during talk 27 88 19 88.9 0.34
Didactic lecture vs. unknown cases 28 (didactic) 88.6 16 (unknown) 88.7 0.95
Questions for audience 8 88.3 38 88.4 0.95
  1. 46 talks with video, 44 talks with DI images.
  2. 44 talks with images.