Final answer:
The AOTA Code of Ethics principle related to maintaining public trust in OT is fidelity. It involves keeping promises and being truthful to sustain professional integrity and public confidence.
Step-by-step explanation:
The AOTA Code of Ethics principle that encompasses the duty to refrain from actions that reduce the public's trust in occupational therapy (OT) is fidelity. Fidelity relates to the ethical commitment of keeping promises and being truthful, thereby ensuring the maintenance of trust between the professional and the public. This principle extends to the obligation not to engage in actions that could potentially undermine public confidence in the OT profession.