Interventions outperformed controls in porcine LC1 [ Global Operative Assessment of Laparoscopic Skills : ( 20.5 vs 15.5 ; P = 0.011 ) , Objective Structured Assessment of Technical Skills : ( 21.5 vs 14.5 ; P = 0.001 ) , and Operative Performance Rating System : ( 26 vs 19.5 ; P = 0.001 ) ] and porcine LC2 [ Global Operative Assessment of Laparoscopic Skills : ( 28 vs 17.5 ; P = 0.005 ) , Objective Structured Assessment of Technical Skills : ( 30 vs 16.5 ; P < 0.001 ) , and Operative Performance Rating System : ( 36 vs 21 ; P = 0.004 ) ] .