Comparing Skills Acquisition on Different Laparoscopy Software

"The intervention consists of making the intervention group practice till proficiency using the 2019-version.~The control group practices till they have reached proficiency using the standard 2016-version.~We wanted to compare time to completetion for the intervention. For the follow-up test we invited all participants to return after 4-6 weeks (where no training was allowed) and made them practice till proficiency again using the standard 2016-version. Time to reach proficiency for the follow-up test was compared."