532_Slides_Wk7MixedMethods_EdL_2019.pptx Gasiewski, J. A., Eagan, M. K., Garcia, G. A., Hurtado, S., & Chang, M. J. (2012). From gatekeeping to engagement: A multicontextual, mixed method study of student academic engagement in introductory STEM courses. Research in higher education, 53(2), 229-261. Creswell, Ch. 10 Empirical Example