Author Contributions: Dr Yeates had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Yeates, O’Neill, Mann, Eva.
Acquisition of data: Yeates.
Analysis and interpretation of data: Yeates, O’Neill, Mann, Eva.
Drafting of the manuscript: Yeates.
Critical revision of the manuscript for important intellectual content: Yeates, O’Neill, Mann, Eva.
Statistical analysis: Yeates.
Administrative, technical, or material support: Yeates.
Study supervision: O’Neill, Mann, Eva.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Yeates reported receiving reimbursement for travel costs from Medtronic Inc to attend a meeting to discuss future collaboration on an unrelated research project. Dr Mann reported receiving honoraria for her role as chair of the objectives committee for the Medical Council of Canada; receiving grant income from the Social Sciences and Research Council of Canada (coinvestigator) for a project on technology in a new curriculum and from the Society for Academic CME for a project on a study of facilitated reflection; and receiving reimbursement for travel costs (without additional honoraria) for invited guest speaker engagements at Durham University, UK, in July 2012, Utrecht Medical Centre in March 2012, and at University College London, UK, in June 2012. No other authors reported conflicts of interest.
Funding/Support: Dr Yeates received a traveling fellowship award from the Association for the Study of Medical Education that was used in support of this study.
Role of the Sponsor: The Association for the Study of Medical Education had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank Julie Morris, MSc (University of Manchester, University Hospital of South Manchester), for providing statistical advice to the project. Ms Morris did not receive payment for her work. We also thank our expert review panel for their assistance in video validation, the physicians at the UK Foundation Programme, and simulated patients featured within the videos, the foundation and their associated regional schools for their assistance with recruitment, and the participants who took part in the study. Physicians at the foundation received a small gratuity for their time and simulated patients received professional rates of pay.