Joan works at a major advertising agency and uses the code of ethical standards promulgated by the American Association of Advertising Agencies to guide her in making ethical decisions when developing ads for her agency's clients. What test is she applying to guide her behavior?

Answer: Professional ethic test

Explanation: In simple words, professional ethics refers to the set of rules that govern the actions of an individual working in a profession. Usually, these rules are made by the respective association of that profession.

In the given case, Joan is following the rules set b the association of advertising agencies.

Hence we can conclude that she is applying professional ethics test.