He received his PhD from the University of California, Berkeley, under the supervision of Elisabeth A. Lloyd, Alison Gopnik, and John Searle.
The study found that ethics books were in fact missing at higher rates than comparable texts in other disciplines.
In addition, his research found that the moral beliefs of professional philosophers were just as susceptible to being influenced by irrelevant factors as those of non-philosophers.
[8] Schwitzgebel has concluded that, "Professional ethicists appear to behave no differently than do non-ethicists of similar social background.
To substantiate this idea, he proposes a variety of thought experiments and counterexamples trying to demonstrate the inadequacy of the traditional view.