What difference does involving teachers make?

Score card:  Achieving usage (NZ high schools 2003 to 2007)
  • Create high school courses on BestChoice 2003
  • Upgrade and extend content using feedback from users (2003-6) More
    Number of active users (at least 80 correct answers entered) 
    2004 - 1330 students
    2005 - 1670 students (210 schools)
    2006 - 1530 students (210 schools)
     
  • Enable teachers to follow usage using BestChoice Reports classes (2007) More
    In 2007 increase in numbers AND in penetration
    active users: 3336 students (100% increase)
    usage per active user:  444 correct answers (60% increase)

    schools registered: 250 (20% increase)
    active users per school registered: 13.3 (80% increase)