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The original was posted on /r/science by /u/AnnaMouse247 on 2024-08-03 11:45:45+00:00.

Original Title: Eye-tracking allows studying aspects that cannot be seen, i.e., the thinking processes of solving a math problem. In a new systematic review of the research, findings show researchers are integrating eye-tracking into education and are using the technology to radically improve the teaching of maths