lectures with graphics (chalkboard, viewgraphs, PowerPoints, videos etc.) and possibly interaction (broadcast audio/video). handouts (broadcast text). announcement of reading assignments, both text and library readings (broadcast text). availability of library materials (transfer of materials?). lab instruction (access to equipment) discussion sections (multiperson interactive). office hours with instructor (person-to-person interactive). office hours with TA (person-to-person interactive). informal discussions with classmates (multiperson interactive). exams: announcement, proctoring, grading, distribution of correct answers, return of graded work, questioning reasons for deductions, detection and confrontation of cheaters homework: announcement, collection, acknowledgement of receipt of homework, distribution of correct answers, grading, return of graded work, questioning reasons for deductions, detection and confrontation of cheaters availability of necessary homework facilities (e.g., computer labs) posting (announcement) of homework and exam grades availability of learning and study-skills support availability of academic counseling