Which of the following describe self-administered surveys? Multiple select question. Mailed, faxed, or couriered with return mechanism generally included. People selected to be part of the sample are interviewed in person by a trained interviewer. Sent via mobile device service provider (to phone, tablet) or delivered via messenger app. People are intercepted in a central location for a computerized or paper survey. People selected to be part of the sample are interviewed on the phone by a trained interviewer. Computer-delivered via intranet, Internet, or online service