The Time Spent on Sessions widget indicates which how long the average session length is on the system.

To add the widget to the homepage of the Management Dashboard, you would select the Learner Widgets selection dropdown and select the Time Spent on Sessions widget.

Selecting this will add the widget into the 3x3 grid of widgets on your homepage, and will being to display the data for you as seen below; 

This is averaged based on Attended sessions to determine the mean session length aswell. The totals are gathered based on a week/month rotation of either 7 days ago for a week, or one month ago for the monthly total.

This widget can be filtered on the internal filters when using the pop out area of the widget, accessed by clicking the Enlarge Icon(two arrows facing away from each other)

The Trend chart for this unit displays the amount of time spent on sessions on either a session basis, weekly basis, or monthly basis allowing to track the use of the Learning Plan within SmartAssessor.