The unit of credit is the semester hour. Most classes taught at the University meet three hours a week; these classes carry 48 clock-hours of instruction and three (3) units of credit. Each unit of credit is at least 16 semester-hours of instruction in the form of lecture, discussion, seminar, tutorial or recitation or in any combination of these forms. Laboratory work, field work or related student activity is credited one (1) unit for at least 32 semester hours.