Four Categories of DL Technologies as Primary Mode

• Video technologies

  • “two-way interactive video” (54%) going to 61% in 2001
  • “one-way pre-recorded video” (47%)

• Audio technologies

• Internet-based technologies

  • “Internet courses using asynchronous computer based instruction” (58%) --going to 82% in 2001
  • “Internet courses using synchronous computer-based instruction” (19%) -- going to 60% in 2001

• Other technologies

12/99 NCES Report