For the majority of college majors, college instructors are required to have a master's degree and some teaching experience. The greater their experience in applying their major in such areas as research, publishing articles about their subject matter, and professional speaking engagements, the more likely they are to receive greater compensation. After being hired, college instructors take classes in such things as use of technology, applying technology practically in the classroom, and how to make courses accessible to individuals with disabilities. From an employment perspective, what are the additional classes? Group of answer choices Educational enrichment Employee training Management development Professional development