“Incidental study” means that study is not the main reason for your visit to the United States. If you plan to come to the United States for other reasons besides studying, but are also interested in enrolling in a non credit bearing course at MassArt then a tourist visa may be appropriate. You are responsible for reviewing information provided by the U.S. Department of State to determine the applicable immigration status for your visit. If you have questions, please contact your local U.S. Embassy or Consulate in your home country.