Additional assessments are scheduled automatically by the system based on two factors: overall time spent in the Learning Mode (called "Login Time Assessment") and progress made while there (called "Progress Assessment"). By default, a new assessment is triggered after 20 new items have been learned (but no sooner than 5 ALEKS hours after the last assessment) or after 10 hours have been spent in Learning Mode since the last assessment or after 60 days have passed since the last assessment. Some modification of these parameters is possible; please contact ALEKS Corporation Customer Support for assistance if you would like to do this. The Learning Mode itself updates students' assessment results as it goes along, periodically displaying new pie charts and new choices of concepts they are completely "ready to learn." The automatic assessments, however, provide a firmer basis for such guidance.