We thank the anonymous faculty instructors who interviewed and volunteered their time and perspectives for this study. L.E.G. was supported by an National Science Foundation Graduate Research Fellowship under award DGE-1311230, and E.C.G. is supported by an NSF STEM Education Postdoctoral Fellowship (AWD00037453). This work was supported by an Inclusive Excellence grant #GT11046 from the Howard Hughes Medical Institute ( www.hhmi.org), awarded to Sara Brownell, James Collins, Ariel Anbar, and Paul LePore. Additional support was provided by an NSF EEC award (#2012998) to Kristen Parrish, Sara Brownell, and Katelyn Cooper. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or HHMI.