Objective: The objectives of this study were to review the coaching literature to (1) characterize the criteria integral to the coaching process, specifically in surgery, and (2) describe how these criteria have been variably implemented in published studies. Background: Coaching is a distinct educational intervention, but within surgery the term is frequently used interchangeably with other more established terms such as teaching and mentoring. Methods: A systematic search was performed of the MEDLINE and Cochrane databases to identify studies that used coach/coaching as an intervention for surgeons for either technical or nontechnical skills. Study quality was evaluated using the Medical Education Research Study Quality Instrument (MERSQI). Results: A total of 2280 articles were identified and after screening by title, abstract and full text, 35 remained. Thirteen coaching criteria (a-m) were identified in 4 general categories: 1. overarching goal (a. refine performance of an existing skill set), 2. the coach (b. trusting partnership, c. avoids assessment, d. 2-way communication), the coachee (e. voluntary participation, f. self-reflection, g. goal setting, h. action plan, i. outcome evaluation), and the coach-coachee rapport (j. coaching training, k. structured coaching model, l. non-directive, m. open ended questions). Adherence to these criteria ranged from as high of 73% of studies (voluntary participation of coach and coachee) to as low as 7% (use of open-ended questions). Conclusions: Coaching is being used inconsistently within the surgical education literature. Our hope is that with establishing criteria for coaching, future studies will implement this intervention more consistently and allow for better comparison and generalization of results.
In this study, we empirically investigate the impacts of urban road congestion and road capacity expansion on the competition between major container ports in the US. We find that more delays on urban roads may cause shippers to switch to competing rival ports: a 1% increase in road congestion delays around the port is associated with a 0.90-2.48% decrease in the port's container throughput but a 0.62-1.69% increase in the rival port's throughput. Adding local roads tends to benefit the port and harm its rival (in terms of throughput) by reducing road congestion. However, the overall impact of road provision on ports' throughput varies among the sample ports, as road capacity expansion may affect ports' output through channels other than road congestion delays.
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