X-axis = how much you talked. Y-axis = how many evaluation questions you asked. Dashed lines are the dataset averages (42.8% talk, 21.3% D3). Top-left is the sweet spot. Bottom-right is the concern zone. Hover any dot for lesson detail.
Top-left — sweet spotLow teacher talk + high evaluation questions
Top-right — drivenHigh talk AND high D3 — you're doing the heavy lifting
Bottom-left — quiet roomLow talk but questions aren't pushing deep
Bottom-right — concern zoneHigh teacher talk + low evaluation questions