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Table 1 Reliability of questionnaire (Cronbach’s alpha)

From: Impact of augmented reality lessons on students’ STEM interest

   Laparoscopic surgery Cardiac catheterization
AR lessons Authenticity 0.80 0.69
  Engagement 0.78 0.63
  Motivation 0.87 0.87
  Total 0.82 0.81
Simulators Authenticity 0.84 0.87
  Engagement 0.97 0.94
  Motivation 0.71 0.68
  Total 0.89 0.92