No. The primary purpose of research scholar is to conduct research, and the primary purpose of professors is to teach. However, at the discretion and approval of the Responsible Officer, professors may engage in some research and research scholars may engage in some teaching and lecturing. Please note that this minor change of activity is not considered a change of category necessitating a formal approval by the Department of State and does not require the issuance of a new Form DS-2019. Such change in activity does not extend the exchange visitor’s maximum duration of program participation.