ZPDES Teaching Experiment Shows Greater Fairness

pyoudeyer · x · 2026-07-15

This post reports the experimental results of ZPDES:

• Students continued to achieve success even as the objective difficulty of the exercises increased.
• This effect held true across students of different initial levels, measured by Elo.
• The author views this as an indicator of "impacting equity."
• Additional context notes that when using ZPDES, most students progress in the majority of activities; whereas with playlists, many students disengage.

Overall, it highlights a more stable and broadly applicable instructional design outcome.

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