245 © Springer Nature Switzerland AG 2019 E. Seymour, A.-B. Hunter (eds.), Talking about Leaving Revisited, https://doi.org/10.1007/978-3-030-25304-2_8 Chapter 8 Students’ Perceptions of Good STEM Teaching Raquel P. Harper, Timothy J. Weston, and Elaine Seymour The Experience of “Good Teaching” in STEM Foundation Courses We begin this chapter with an account of fndings from the Student Assessment of Their Learning Gains (SALG) survey. These respondents were at an earlier stage in their education than the STEM switchers and persisters in the interview study. R. P. Harper (*) Ethnography and Evaluation Research (E&ER), University of Colorado Boulder, Boulder, CO, USA Center for STEM Learning, University of Colorado Boulder, Boulder, CO, USA e-mail: Raquel.Harper@Colorado.EDU T. J. Weston Ethnography and Evaluation Research (E&ER), University of Colorado Boulder, Boulder, CO, USA National Center for Women and Information Technology (NCWIT), University of Colorado Boulder, Boulder, CO, USA e-mail: westont@colorado.edu E. Seymour Ethnography and Evaluation Research (E&ER), University of Colorado Boulder, Boulder, CO, USA e-mail: Elaine.Seymour@colorado.edu