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A substantial share of university instruction happens in tutorial sessions - small group instruction given parallel to lectures. In this paper, we study whether instructors with a higher academic rank teach tutorials more effectively in a setting where students are randomly assigned to tutorial groups. We find this to be largely not the case. Academic rank is unrelated to students' current and future performance and only weakly positively related to students' course evaluations. Building on these results, we discuss different staffing scenarios that show that universities can substantially reduce costs by increasingly relying on lower-ranked instructors for tutorial teaching.

Background A near-peer instructors (NPI) program was designed for 1st year medical students who successfully finished the Anatomy course, in order to develop their didactic ability and teaching skills, mostly for cadaver dissection. Methods Graduates of the training program were administered a voluntary survey at the end of the program, annually. Best graduates of the training program were offered a NPI position in the next academic year. They were evaluated by the first-year students, at the end of the Anatomy block. Results In a debriefing questionnaire at the end of the NPI training, on the five-point Likert scale (1 = lowest to 5 = highest), the overall rating ranged from 3.63 in 2013 to 3.71 in 2015. Learning prosection and anatomy demonstration skills scored on average from 4.30 to 4.36, respectively. The NPIs were then evaluated by first-year students at the end of the next year’s Anatomy block. On the Likert scale, the average score of NPIs ranged from 4.10 in 2014 to 4.75 in 2016, on the par with the general satisfaction score for the professional preclinical teachers during the same period (which ranged from 3.80 to 4.26). Conclusions It is suggested that students as near-peer instructors can make a valuable contribution to the teaching faculty, especially in a new medical school.