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Table 1 Attributes and levels used in the discrete choice experiment

From: Is the Nintendo Wii Fit really acceptable to older people?: a discrete choice experiment

Attributes Levels
Mode of therapy Conventional therapy
  Therapy using the Nintendo Wii
Difficulty of therapy Easy - 30 minutes of light activity
  Challenging - 1 hour moderate activity
Cost No cost
  $25 per week
  $50 per week
Amount of recovery made 70%
  80%
  90%