( ResearchGate ): A study on how "courageous followers"—those who speak up against unethical practices or challenge leaders for the good of the organization—are actually the secret to effective leadership.

Are courageous actions successful actions? - Taylor & Francis

An interesting academic paper to explore is (2010), published in the Journal of Positive Psychology . Why it’s interesting

( ResearchGate ): Explores how people use "courageous behavior" in the workplace to reconcile tensions between who they are and how they want to be seen by others.

( PMC ): A fascinating "spider test" study where researchers measured courage by how close participants with phobias would get to tarantulas, finding that courage scores directly predicted their ability to approach the source of their fear.

If you are interested in different angles of courage, consider these: