Billy Walton found Learning By Questions:

• Significantly reduces teacher workload“Instantly assessed work saving hours of marking time and frees up the teacher to focus on the data instantly produced to target teaching or challenge misconceptions.”
• Moderately reduces attainment gap“LbQ allows for purposeful and differentiated sessions to be running while you, as the teacher, can target pupils who need accelerating/ additional support/ extending.”
• Significantly improves attainment“Challenging questions in both varied fluency and problem solving and reasoning, driving up classroom expectations.”
• Slightly builds student knowledge“Practice and feedback can contribute to this.”