Female professors are rated lower by students than male professors. The study by Buser, Batz-Barich and Hayter (2022) found that when students were asked to rate their professor, female professors were rated lower than their male fellow professors on all aspects. Moreover, fewer students were willing to recommend female professors or courses taught by women.
Read the op blog post about this article on SPSP's website here: https://spsp.org/news/character-and-context-blog/buser-recommending-female-instructors
Buser, W., Batz-Barbarich, C. L., & Hayter, J. K. (2022). Evaluation of women in economics: Evidence of gender bias following behavioral role violations. Sex Roles, 86(11), 695-710.