Fig. 4From: Usage of 3D models of tetralogy of Fallot for medical education: impact on learning congenital heart diseaseImpact of 3D heart models on medical education. Both 2D image and physical 3D model groups show improvement in knowledge based on multiple choice testing. There was a statistically significant difference in satisfaction ratings when 3D models were used. While residents in 3D model groups had higher self-efficacy aggregate scores, this difference was not statistically significantBack to article page