Although you usually want learning items to inherit their Grading options from their learning item type, you can make an exception for individual learning items.
SuccessFactors Learning Management System - Learning Administration
This solution is documented on Help SAP: SuccessFactors Learning Administration Help
Note:The grading option will afect the Record Learning activity only. If the online item/exam/quiz is completed by the user when launching the content, the grading will be received by LMS from the content.
Item, Grading, value based, score , KBA , LOD-SF-LMS-ITE , LMS Items , How To