Some are actually involved. The students either keep up or quietly lag behind the professor, who moves at whatever pace suits them, and they frequently don’t say anything about it. For centuries, education has operated essentially in this manner. Additionally, an increasing amount of research indicates that it’s a rather ineffective method of teaching anyone anything.

Recently, researchers from MIT and Harvard tested a different type of classroom—one without a teacher in the front. Instead, students work through physics content with an AI-powered tutor that has been meticulously crafted to teach in the same manner as a knowledgeable human tutor, in addition to providing answers to questions.

The findings were startling when they were published and became well-known in academic circles. Compared to their peers in active learning classrooms, which were already thought to be superior to traditional lectures, students using the AI tutor learned substantially more in less time. Additionally, they said they felt more engaged and motivated. It’s difficult to ignore that for a little while.

Most people are unaware of the deeper intellectual roots of all of this. Benjamin Bloom, an educational psychologist, created what he called mastery learning in 1968. It is based on the fairly simple notion that students learn best when they are given the opportunity to truly grasp one concept before going on to the next.

According to Bloom’s research, students who were taught using mastery learning strategies performed 400% better than those who were taught in traditional classroom settings. He publicly expressed his frustration with a system designed, in his words, to identify the gifted few and reject the majority. That was more than half a century ago. In any case, the majority of schools continued to operate in the same manner.

Bloom advanced the concept by 1984. He discovered that combining mastery learning with one-on-one tutoring produced nearly unbelievable results: the average student receiving individualized instruction outperformed 98% of students taught using traditional methods. Scale was always the issue. A private tutor cannot be placed in front of every student in every classroom at every school. Simply put, there aren’t enough teachers, hours, or funds to support that. However, creating something that acts like one is feasible.

The Harvard-MIT study basically tried to do that. The AI tutor was more than just a textbook-accessing chatbot. It was built on the same pedagogical tenets as the active learning courses it was being evaluated against: controlling cognitive load, promoting a growth mindset, and providing tailored feedback when a student truly needed it. Instead of pacing the room, it paced itself to the person. There’s a feeling that the reasoning behind it, rather than the technology, was what made it successful.

How this applies to different subjects, age groups, or institutions with less funding is still unknown. Furthermore, there are legitimate concerns about what is lost when the human connection between a teacher and a student completely vanishes. Transferring information is only one aspect of learning. A well-crafted prompt cannot fully replicate the experience of seeing students work through confusion with someone who truly cares about them. Or at least that’s how it appears right now.

However, the data is what it is. A system that is designed to treat every student as an individual and adapt to their pace, gaps, and specific confusion at any given time consistently performs better than one that isn’t. In 1968, Bloom was aware of this. Perhaps at last, the technology to address it is catching up.

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