Feedback results in 2.6x more learning progress than reducing class sizes at 1/4 the cost.

4x more learning progress than extending school hours at 1/3 the cost

1.6x more learning progress than tutoring at 1/4 the cost

Education Endowment Foundation, Teaching and Learning Toolkit
"Using Kaizena enhanced teachers’ relationships with students"

In her doctoral dissertation, "The Impact of Audio Feedback Technology on Writing Instruction,” Dr. Bless case-studies teachers in the U.S and around the world who use Kaizena and explores how Kaizena impacted their classrooms. Dr. Bless found that Kaizena audio feedback "was more personalized and efficient than written feedback” and that “using Kaizena enhanced teachers’ relationships with students.” By speaking their feedback, teachers felt more personally connected to their students, and the time saved from grading papers and writing feedback afforded more time and energy for teachers to interact with students in person.

Teachers also reported that students preferred and understood audio feedback better than written feedback. By hearing the tone of their teacher’s voice, students were more likely to feel supported in their writing. Hearing comments, instead of reading them, left students more receptive to the feedback and increased their desire to improve.

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the lit review
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