I will increase the duration of time using the elliptical to 30 minutes per day.  The operational definition for this is anytime throughout the day, I step onto the elliptical with both feet and move my feet in order to cause the pedals to move back and forth.  The onset of this behavior is when both of my feet are on the pedals and the pedals are moving.  The offset of this behavior will be when one foot or both feet step off of the pedals to cause the pedals to stop moving.  Duration will be measured by the amount of time displayed on the elliptical monitor per each use of the machine.  Data will be collected at the end of each use of the elliptical.

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