“…There is a long tradition of including graduate students as teaching assistants in higher education (Shannon, Twale andMoore 1998, Park 2004). The introduction of graduate students can be explained both as a means to facilitate under-graduate teaching (Nyquist, Abbott, Wulff 1989) by increasing the number of instructors per student since they are more inexpensive than graduated faculty (Hoessler andStockley 2016, Park 2002), but also to supply graduate students with economic support (Park 2004) and opportunities to mature as professionals (Marinkovich, Prostko andStout 1998, Saroyan, Dagenais, andZhou 2009).…”