Run #757
done
rubric v1
session 79402437
gemini-3.7-flash
2026-09-21 02:21
Review team
no_issue
Product AI
nothing found
teaching Yes · mistakes No · satisfactory Yes
Each verdict takes your own. Yours is stored against the stack's, so “where is it wrong most often” is a question with an answer.
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seen · 100% confidentWork is the right way up The canvas is upright at 0 degrees.Text and drawings in Frames 1-8 are oriented at 0 degrees.
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Your view
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seen · 95% confidentWriting is legible at video size Text and handwritten annotations are clear and legible.Frames 1-8 show clearly written text, labels (+2, -1, O, F), and distinct color-coded stick figures.
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Your view
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seenThe work fills the frame Not applicable to a board session
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seenNothing distracting in shot Not applicable to a board session
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seen · 85% confidentThe student's problem is established Only the general topic is stated rather than a specific problem.Frame 1 shows the topic card 'Oxidation number', but no specific question text or compound problem is displayed.
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seen · 90% confidentWork proceeds in followable steps Visual aids and annotations accumulate in an orderly fashion.Frames 2 to 8 progressively build a diagrammatic explanation using stick figures to represent oxidation states.
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seen · 85% confidentIt reaches an answer The conceptual explanation is brought to a completed visual state.By Frame 8, both elements and their corresponding visual representations are fully annotated and enclosed.
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measuredSomething was actually written board went from 1.91% to a peak of 7.41% covered (+5.50 points), ending at 7.41%
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heard · 95% confidentThe concept is named before the working The tutor explicitly names the concept at the start.The tutor states: 'You have to understand the oxidation number' and the board displays 'Oxidation number' in Frame 1.
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heard · 90% confidentExplained rather than jumped to the answer The tutor focuses entirely on explaining the fundamental concept.From Frames 2 through 8, the tutor uses conceptual examples and stick-figure analogies to explain oxidation states before solving complex examples.
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heard · 90% confidentSolved step by step, not in one leap The explanation unfolds gradually with intuitive visual steps.Frames 2-8 show elements written first, followed by stick figures, charges, and connecting arrows in order.
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Your view
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heard · 95% confidentThe session opens properly The tutor greeted the student and confirmed the topic.Transcript opens with 'Hello, good afternoon' and establishes 'You have to understand the oxidation number.'
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measuredNo long dead air 1 gaps over 6.0s, 8s total (4% of the session), longest 8sSilence is below -35.0dB — a crude measure on a phone microphone, so treat a low count as weak evidence rather than proof the tutor was talking.
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Your view
Observations judged, but not counted as the lab objecting
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measuredThe camera holds still Not applicable to a board sessionNot counted: Measured over 183 known-bad and 29 known-good camera sessions (2026-09-21): raised on 87% of the bad and 86% of the good, and the motion distributions are the same shape — median frame difference 25 on the bad set, 27 on the good. No threshold on this number separates them, so it is reported and not counted.
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measuredExposure is usable Not applicable to a board sessionNot counted: Same two sets: it raised 6 of 183 known-bad and 2 of 29 known-good sessions. Both too few to mean anything, and the brightness distributions overlap almost exactly. The earlier reading that it 'fires more on clean sessions' was two sessions out of twenty-nine — noise, not an inverted rule.
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heardUnderstanding of the concept is checked Check-ins are mostly rhetorical or brief.The transcript shows brief check-ins like 'समझ आया?' rather than substantive concept-testing questions.Not counted: Raised on 87% of known-bad and 80% of known-good sessions. The criterion is honest about why in its own `why`: the transcript has no speaker labels, so a real check and a rhetorical 'ok?' are often indistinguishable, and the bar ends up one almost no session clears. Still judged and shown, because reading it beside a recording is how it gets better.
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Your view