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Does it actually work?
We measure every learner before and after a course and report Hake’s normalized gain g = (post − pre) / (100 − pre) — the gold-standard efficacy metric. No vanity numbers.
We publish the aggregate only once at least 5 learners have completed both a pre- and post-assessment — so the number means something. Currently 2 measured. This is the honest state, not a placeholder.