Final answer:
Adherence to professional standards and ethics is not a ground for denial of licensure; it's actually a requirement for maintaining a license. Denials are typically due to inadequate education or training, a criminal conviction or history of unprofessional conduct, or failure to pass the licensure examination.
Step-by-step explanation:
The question you've asked is related to the grounds on which occupational licensure can be denied. Licensure is an important aspect of various professions to establish a certain level of quality and competency in the labor market. For instance, occupational licenses are required for professions such as doctors, teachers, nurses, engineers, accountants, and lawyers, as well as barbers, embalmers, dietitians, massage therapists, and many others. To answer your question, all of the following are grounds for denial of licensure except for '4) Adherence to professional standards and ethics'. In fact, adherence to professional standards and ethics is typically a requirement to maintain one's license, rather than a ground for denial.
Grounds for denial of licensure generally include 1) inadequate education or training, 2) criminal conviction or history of unprofessional conduct, and 3) failure to pass the licensure examination. Each of these areas is scrutinized to ensure that the individual meets the necessary qualifications and behaviors required to provide services in a safe and ethical manner.