Dan Hughes found KnowItAll Ninja:

• Moderately reduces teacher workload“Allows homework to be set on specific units, freeing up more lesson time.”
• Moderately improves teaching efficiency“Students come to lesson more prepared having done work set in advance.”
• Moderately improves attainment“Students are able to test themselves on the knowledge in the unit before the real exam”
• Moderately builds student knowledge“Helps with student recall in class recaps/assessments.”