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Table 2 Face validity ‘median scores’ ratings by experts and non-experts (n = 36)

From: Face and content validity of the virtual reality simulator ‘ScanTrainer®’

  Median score (range)  
Face validity statements Expert (n = 11) Non-expert (n = 25) Overall p value
Statement 1: Relevance of the simulator for actual transvaginal ultrasound scanning 7.5 (5.0–10) 9.0 (7.0–10) 8.7 (5.0–10) 0.1
Statement 2: Realism of the simulator to simulate the transvaginal scan of female pelvis 8.3 (5.0–10) 8.0 (5.9–10) 8.1 (5.0–10) 0.9
Statement 3: Realism of the simulator to simulate the movements possibly required to perform in the female pelvic anatomy (uterus, ovaries/adnexa, POD) 7.7 (1.0–10) 9.0 (5.0–10) 9.0 (1.0–10) 0.1
Statement 4: Realism of the ultrasound image generated during the performance 9.0 (1.3–9.8) 9.0 (6.0–10) 9.0 (1.3–10) 0.2
Statement 5: Force feedback provided on the operator’s hand to simulate real scan 7.5 (3.0–9.5) 7.5 (2.7–10) 7.5 (2.7–10) 0.4
Statement 6: Realism of simulator to provide actual action of all buttons provided in the control panel 9.0 (1.0–10) 8.7 (3.0–10) 9.0 (1.0–10) 0.5
General statements
Statement 13: Overall value of the simulator as a training tool 9.0 (5.0–10) 9.3 (6.0–10) 9.0 (5.0–10) 0.2
Statement 14: Overall value of the simulator as a testing tool 9.0 (5.0–10) 9.5 (5.6–10) 9.3 (5.0–10) 0.2